Physics Class 10 Assignments

  • CBSE Class 10 Physics Tungsten Assignment

    1. Why tungsten is used exclusively for filaments of electric bulbs? 2. When you break a bar magnet in half, how many poles does each piece have? 3. Which of the compass-needle orientations in the figure below might correctly describe the magnet’s field at that point? 4. A 9.0 V battery is...

  • CBSE Class 10 Physics The Human Eye And Its Colorful World Assignment

    Question : Which of the following colors is least scattered by fog, dust of smoke?(a) Violet(b) Blue(c) Red(d) YellowAnswer :  C Question : Which of the following statements is correct regarding the propagation of light of different colors of white light in air?(a) Red light moves fastest.(b)...

  • CBSE Class 10 Physics Sources of Energy Assignment

    SourceS of energy   Question 1: What is a good source of energy? Answer- A good source of energy should have the following qualities- (1) It should be easily available. (2) It should have high calorific value. (3) It should be easy to store and transport. (4) It should be economical. (5) It should...

  • CBSE Class 10 Physics Revision Assignment Set H

    1. How does the frequency of a beam of light change when it goes from air to glass? 2. For light going from air to water , anw = 4/3. Then wna has value 3. Why sky appears black from spacecrafts? 4. The refractive index of Ruby is 1.76. What is the meaning of this statement in relation to speed of...

  • CBSE Class 10 Physics Revision Assignment Set G

    One mark questions 1. Define the term “electric current”. 2. Define the term ‘resistivity’ of a material. 3. How is a Voltmeter connected in the circuit to measure the potential difference between two points? 4. You have two metallic wires of resistances 6 ohm and 3 ohm. How will you connect...

CBSE Class 10 Physics Tungsten Assignment

1. Why tungsten is used exclusively for filaments of electric bulbs?

2. When you break a bar magnet in half, how many poles does each piece have?

3. Which of the compass-needle orientations in the figure below might correctly describe the magnet’s field at that point?

CBSE Class 10 Physics Tungsten Assignment

 


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CBSE Class 10 Physics The Human Eye And Its Colorful World Assignment

Question : Which of the following colors is least scattered by fog, dust of smoke?
(a) Violet
(b) Blue
(c) Red
(d) Yellow
Answer :  C


 


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CBSE Class 10 Physics Sources of Energy Assignment

 


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CBSE Class 10 Physics Revision Assignment Set H

1. How does the frequency of a beam of light change when it goes from air to glass?

2. For light going from air to water , anw = 4/3. Then wna has value

3. Why sky appears black from spacecrafts?

4. The refractive index of Ruby is 1.76. What is the meaning of this statement in relation to speed of light?

5. Define magnification for mirror?

6. What are the values of : (i) the angle of incidence and (ii) the angle of reflection for normal incidence on a plane mirror surface?

 


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CBSE Class 10 Physics Revision Assignment Set G

One mark questions


1. Define the term “electric current”.

2. Define the term ‘resistivity’ of a material.

3. How is a Voltmeter connected in the circuit to measure the potential difference between two points?

4. You have two metallic wires of resistances 6 ohm and 3 ohm. How will you connect these wires to get the effective resistance of 2 ohm?

 


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CBSE Class 10 Physics Revision Assignment Set F

1. What is biomass? What can be done to obtain bio-energy using biomass?

2. What are the limitations in obtaining energy from wind?

3. Which is the process used to harness nuclear energy these days?

4. Explain the principle and working of a biogas plant using a labelled schematic diagram.

5. Should the resistance of an ammeter be low or high? Give reason.

 


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CBSE Class 10 Physics Revision Assignment Set E

(1) Given a resistor each of resistance R, how will you combine them to get the a) maximum & b) minimum effective resistance. & what is the ratio of the maximum to minimum resistance?

(2) Two electric bulbs of 50 watt & 100 watt are given which one will brighter when they are connected in (i) series (ii) in parallel ?

(3) The V-I graph of metallic wire at two temperature?

T1 and T2 is

 


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CBSE Class 10 Physics Revision Assignment Set D

1- What is the (a) highest (b) lowest total resistance, which can be secured by combinations of four coils of resistances 4W, 8 W, 12W and 24W?(48W, 0-5W)

2- When a 12 V battery is connected across an unknown resistor, there is a current of 2.5 mA in the circuit. Find the value of the resistance of the resistor.

3- A battery is connected in series with resistors of 0.2W, 0.3W, 0.4W, 0.5W and 12W. How much current would flow through the 12W resistor, when in use?

 


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CBSE Class 10 Physics Revision Assignment Set C

CBSE Class 10 Physics Revision Assignment Set C

 

 


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CBSE Class 10 Physics Revision Assignment Set B

Q 1. A child has drawn the electric circuit to study ohm's law as shown in figure. His teachers told that the circuit diagram needs correction. Study the circuit diagram and redraw it after making all corrections. Write reason for each correction.

CBSE Class 10 Physics Revision Assignment Set B

 

 

Q 2. How can three resistors of resistance 2Ω, 3Ω and 6Ω be connected to Wgive a total resistance of

 


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