10th Ncert Question Answer Wh
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This WH questions test checks your understanding of the 6 WH 10th Ncert Question Answer Wh 10th Ncert Question Answer Wh questions words, including who, what, where, when, why, and. You need to decide when to use each word. Can you score perfect on this 10th Ncert Question Answer Wh 10th Ncert Question Answer Wh multiple choice exercise? Find out. Choose the correct WH question word. You have ansewr finish following quiz, to start this quiz:. You have reached 0 10th ncert question answer wh 0 points, 0.
I wake up at w. He is great, thanks for asking. Because I want to improve my speaking. He works at the Class 10th Ncert Question Paper Room post office. 10th ncert question answer wh need to use a pot with water. It is on Saturday 10th Ncert Question Answer Wh night. Would you like more practice with WH questions? Here are the other tests:. Skip links Skip to content Skip to footer This WH 10th Ncert Question Answer Wh 10th Ncert Question Answer Wh 10th Ncert Question Answer Wh questions test checks your understanding of the 6 WH queation words, including who, what, where, when, why, and.
WH Questions Test Time limit: 0. Quiz-summary 0 of 10 questions completed Questions: 1 2 3 4 5 6 7 8 9 You have already completed the quiz. Hence you 10th Ncert Question Answer Wh can not start it. Quiz is loading You must sign in or sign up to start the quiz. Results 0 of 10 questions answered 10th Ncert Question Answer Wh 10th Hindi Class 10th Ncert Question Answers Online Ncert Question Answer Wh correctly Your time: Time has elapsed You have reached 0 of 0 points, 0 Average score. Your result has been entered into leaderboard Loading. Answered 10th Ncert Question Answer Wh Review. Question 1 of Because my dog is sick.
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He said that the greedy men showed fear; the rich men showed anger and the poor men showed acceptance. How is Ausable different from other secret agents? Ausable was different 10th Ncert Question Answer Wh from other secret agents in more ways than one and did not fit in the description of a normal agent. He had a small 10th Ncert Question Answer Wh room in the musty corridor of a gloomy French hotel on the sixth and top floor and it was scarcely the setting for a 10th Ncert Question Answer Wh romantic adventure.
He was extremely fat and had a very different accent. Though he spoke French and German passably, he never lost his American 10th Ncert Question Answer Wh accent in spite of living in Paris for over twenty years. Instead of getting messages slipped into his hands by dark-eyed beauties, he got only 10th Ncert Question Answer Wh a telephone call making an appointment.
In these ways, he was different from the conventional notion of a spy. What does Horace Danby like 10th Ncert Question Answer Wh to collect? Horace Danby was a good and respectable but not completely honest. He liked to collect rare and expensive books. He robbed a safe every year and secretly bought book through an agent.
Who is speaking to Horace Danby? A women was standing in the doorway. She 10th Ncert Question Answer Wh was speaking to Horace Danby. She was young and pretty, and was dressed in red.
She said she had come just in time, or else 10th Ncert Question Answer Wh 10th Ncert Question Answer Wh her family would have been robbed by Horace. She, thus, pretended to be one of the members of the family living at Shot over 10th Ncert Question Answer Wh 10th Ncert Question Answer Wh Grange. How did the invisible man first become visible? Griffin was a scientist. He had carried out experiments to make a drug that could 10th Ncert Question Answer Wh 10th Ncert Question Answer Wh make human body invisible.
He consumed that rare drug and his body became invisible as a sheet of glass. He was completely invisible until 10th Ncert Question Answer Wh he happened to step in some mud, which caused him to leave footprints as he walked. His footprints were seen by two boys, who followed him Class 10th Ncert Question Answer Id as long as the prints were visible. On getting rid of them, he went into a big London. He lost the boys easily. It 10th Ncert Question Answer Wh was winter and he put on some warm clothes from the store after it got closed and got dressed by putting on shoes, an overcoat and a wide-brimmed hat.
This made him visible to the people who came to work at the store the next day. Why 10th Ncert Question Answer Wh 10th Ncert Question Answer Wh does Mrs Hall find the scientist eccentric? The arrival of a stranger at an inn in winter was in itself a strange occurrence. Moreover he had an uncommon appearance. He told her that he had no desire to talk, and that all he wanted was solitude. He did not 10th Ncert Question Answer Wh 10th Ncert Question Answer Wh wish to be disturbed in his work and his face had been affected by an accident.
The ratio n2 is called refractive index of 10th Ncert Question Answer Wh the second medium with respect to the first medium. Refraction of light: The phenomenon of bending of light from its straight line path as it passes obliquely from one transparent medium to another is called refraction of light.
The path of the ray of light in the first 10th Ncert Question Answer Wh medium is called incident ray. The path of the ray of light in the second medium is called refracted ray. The angle between the incident ray and the normal at the surface of separation is called angle of incidence i.
The angle between the refracted ray and the normal 10th Ncert Question Answer Wh at the surface of separation is called angle of refraction r. Question 1: Give three points of difference between real and virtual images. Answer 1: Real Image: i Here the rays actually meet at the image point. Question 2: Distinguish between a concave and convex lens. Answer 2: 10th Ncert Question Answer Wh 10th Ncert Question Answer Wh Convex lens a It is thicker at the centre than at the edges. Concave lens: a It is thinner at the centre than at 10th Ncert Question Answer Wh the edges.
Question 1: Define the principal focus of a concave mirror. Calculate the focal length of the mirror of radius of curvature of 20 cm. Answer 1: The principal focus of concave mirror is a point on its principal axis at which a beam of light parallel to the principal axis actually converges after reflection from the mirror. Question 2: State the type of mirror preferred as i rear view mirror in 10th Ncert Question Answer Wh 10th Ncert Question Answer Wh vehicles, ii shaving mirror.
Justify your answer giving two reason in each case. Answer 2: i A convex mirror is preferred as a rear-view 10th Ncert Question Answer Wh mirror because a It always forms an erect, virtual and diminished image of an object placed anywhere in front of it.
Question 1 What 10th Ncert Question Answer Wh determines the rate at which energy is delivered by a current? Answer: Resistance of the circuit determines the rate at which energy is delivered by a current. Question 2 An electric motor takes 5 A from a V line. Determine the power of the motor and the energy consumed 10th Ncert Question Answer Wh in 2 h.
Question 1 A piece of wire of resistance R is cut into five equal parts. These parts are then connected in 10th Ncert Question Answer Wh parallel. Question 2 Which of the following terms does not represent electrical power in a circuit? Question 3 An electric bulb is rated V and W. Question 4 Two conducting wires of the same material and of equal lengths and equal diameters are first connected in series and then 10th Ncert Question Answer Wh 10th Ncert Question Answer Wh 10th Ncert Question Answer Wh parallel in a circuit across the same potential difference.
The ratio of heat produced in series and parallel combinations would be : a 1 : 2 b 2 : 1 c 1 : 4 d 4 : 1 Answer: c 1 : 4. Question 5 How is a voltmeter connected in the circuit to measure the potential difference between two points? Answer: A voltmeter is connected in parallel to measure the potential difference between two points.
Question 6 A copper wire has diameter 0. How much does the resistance change if the diameter is doubled? Answer: If a wire of diameter doubled 10th Ncert Question Answer Wh to it is taken, then area of cross-section becomes four times. Question 7 The values of current I flowing in a given resistor for the corresponding values of potential difference V across the resistor are given below : Plot a graph between V and I and calculate the resistance of the resistor.
Solution: The graph between V and I for the above data is given below. The slope of the graph will give the value of resistance. Let us consider two points P and Q on the graph.
Question 8 When a 12 V battery is connected across an unknown resistor, there is a current of 2. Find the value of the resistance of the resistor. Question 9 A battery of 9V 10th Ncert Question Answer Wh is connected in series with resistors of 0. How much current would flow through the 12 Q resistor? Thus 4 resistors are needed to be connect. The equivalent resistance is. Question 12 Several electric bulbs designed to be used on a V electric supply line, are rated 10 W.
How many lamps can be connected in parallel with each other across the two wires of V line if the maximum allowable current is 10th Ncert Question Answer Wh 5 A? What are the currents in the three cases? Solution: i When the two coils A and B are used separately. Solution: i 10th Ncert Question Answer Wh The circuit diagram is shown in figure.
Question 15 Two lamps, one rated W at V, and the other 60 W at V, are connected 10th Ncert Question Answer Wh in parallel to electric mains supply. What current is drawn from the line if the supply voltage is V? Calculate the rate at which heat is developed in the heater.
Question 18 Explain the following: i Why is tungsten used almost exclusively for filament of electric lamps? If 10th Ncert Question Answer Wh the area of cross section of a conductor of fixed length is increased, then resistance decreases because there are more free electrons for movement 10th Ncert Question Answer Wh in conductor. So, they do not become too hot on passing electric current.
Electric current, potential difference and electric current, Ohms law, Resistance, Resistivity 10th Ncert Question Answer Wh factors on which the resistance of a conductor depends; Series combination of resistors, parallel combination of resistors; and its application on daily life; Heating effect 10th Ncert Question Answer Wh of Electric current, electric Power, Interrelation between P, V, and R. Formulae Handbook for Class 10 Maths and Science. Page What does an electric 10th Ncert Question Answer Wh circuit mean? Electric circuit is a continuous and closed path made of conducting wires, through which the electric current flows.
It comprises a cell, 10th Ncert Question Answer Wh ammeter, voltmeter, plug key, etc. Define the unit of current. SI unit of electric current is ampere A. Ampere is the flow of electric 10th Ncert Question Answer Wh 10th Ncert Question Answer Wh charges through an area at the rate of one coulomb per second, i. Question 1: Name a device that helps to maintain a potential difference 10th Ncert Question Answer Wh across a conductor.
Answer: Cell or battery eliminator. Question 2: What is meant by saying that the potential difference between two points is 1 10th Ncert Question Answer Wh 10th Ncert Question Answer Wh V? Question 3: How much energy is given Ncert Question Answers Mathematics Value to one coulomb of charge passing through a 6 V battery Answer:. Question 1: On what factors does the resistance of a conductor depend Answer: Resistance of a conductor depends upon: i Resistivity of the material. Question 2: Will current 10th Ncert Question Answer Wh flow more easily through a thick wire or thin wire of the same material when connected to the same source?
Question 3: Let the 10th Ncert Question Answer Wh 10th Ncert Question Answer Wh 10th Ncert Question Answer Wh resistance of an electrical component remains constant while the potential difference across the two ends of the component decreases to half of its former value. Answer: Hence, the current through an electrical component also becomes half of its previous value. Question 4: Why are the coils of electric toasters 10th Ncert Question Answer Wh and electric irons made of an alloy rather than a pure metal Answer: The coils of electric toaster and electric iron are made of an alloy rather than a pure metal because of the following reasons; i The resistivity of an alloy is higher than that of a pure metal.
Question 5: Use the data in Table Question 2: Redraw the circuit of the above question, putting in an ammeter to measure the 10th Ncert Question Answer Wh current through the resistors and a voltmeter to measure the voltage across the 12 resistor. What would be the reading in the ammeter and the voltmeter? Question 1: Judge the equivalent resistance when the following are connected in parallel.
What is the resistance of an electric iron connected 10th Ncert Question Answer Wh to the same source that takes as much current as all three appliances and what is the current flows through it? Question 3: What 10th Ncert Question Answer Wh are the advantages of connecting electrical devices in parallel with the battery instead of connecting them in series? Answer: Advantages of connecting electrical devices in parallel:. Answer: a The highest resistance is secured by combining all four coils of resistance in series.
Question 1: Why does the cord of 10th Ncert Question Answer Wh 10th Ncert Question Answer Wh an electric heater not glow while the heating element does? Answer: The cord of an electric heater is made up of metallic wire such as copper or aluminum which has low resistance while the heating element is made up of an alloy which has more resistance than its constituent metals.
Question 2: Compute the heat generated while transferring C of charge in one hour through a potential difference of 50 V. Question 10th Ncert Question Answer Wh 3: An electric iron of resistance 20 Q takes a current of 5 A.
Question 1: What determines the rate at which energy is delivered 10th Ncert Question Answer Wh 10th Ncert Question Answer Wh by a current? Answer: Electric power determines the rate at which energy is delivered by a current. Question 2: An electric motor takes 5 A from a V line. Question 1: A piece of wire of resistance R is cut into five equal parts. Question 2: Which of Answer 10th Question Ncert Wh the following terms does not represent electrical power in a circuit? Question 3: An electric bulb is rated V and W. Question 4: Two 10th Ncert Question Answer Wh conducting wires of same material and of equal lengths and diameters are first connected in series and then parallel in a circuit across the 10th Ncert Question Answer Wh 10th Ncert Question Answer Wh same potential difference.
The ratio of heat produced in series and parallel combinations would be a b c d Answer:. Question 5: How is a 10th Ncert Question Answer Wh voltmeter connected in the circuit to measure the potential difference between two points? Question 6: A copper wire has a diameter 0. Question 7: The values of the current I flowing in a given resistor for the corresponding values of potential difference V across the resistor are given below: Plot a graph between V and I and calculate the resistance of that resistor.
Question 8: When a 12 V battery is connected 10th Ncert Question Answer Wh across an unknown resistor, there is a current of 2. Question 9: A battery of 9 V is connected in series with resistors of 0.



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