Discussion
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- Question
In which form is the supplied heat energy stored during change in temperature of substance?
Options- A. Heat energy
- B. Kinetic energy
- C. Potential energy
- D. Both kinetic and potential energy
- Correct Answer
- Kinetic energy
- 1. Kinetic energy depends on
Options- A. the velocity or speed of the moving body.
- B. the mass of the moving body
- C. the pressure of the moving body
- D. both mass and velocity of the moving body Discuss
- 2. When we see an object, the image formed on the retina is ________
Options- A. Real and inverted
- B. Real and erect
- C. Virtual and erect
- D. Virtual and inverted Discuss
- 3. What will happen if an object is dropped from a height and there is no air resistance?
Options- A. It will fall with a constant speed and acceleration
- B. Its acceleration will increase
- C. Both speed and acceleration will increase
- D. Its speed will increase Discuss
- 4. The force exerted on an object is 200 N and its mass is 100 kg. Find the acceleration of the object.
Options- A. 2 m/s
- B. 2 m
- C. 2 m/sq.s
- D. 2 s Discuss
- 5. The magnitude of buoyant force depends on the .......... of the fluid.
Options- A. mass
- B. temperature
- C. volume
- D. density Discuss
- 6. 1kWh = ?
Options- A. 3.6 x 105 J
- B. 3.6 x 106 J
- C. 3.6 x 10-5 J
- D. 3.6 x 10-6 J Discuss
- 7. When a number of resistors are connected in series in a circuit, the value of current:
Options- A. increases
- B. becomes half
- C. decreases
- D. remains the same Discuss
- 8. A 4 kg object is moving horizontally with a speed of 5 m/s. To increase its speed to 10 m/s, the amount of net work required to be done on this object is:
Options- A. 150 J
- B. 100 J
- C. 50 J
- D. 75 J Discuss
- 9. The reflector of a search light is a :
Options- A. Convex mirror
- B. Concave mirror
- C. Plane mirror
- D. Cylindrical mirror Discuss
- 10. The SI unit of resistance is:
Options- A. Newton
- B. Coulomb
- C. Ohm
- D. Joule Discuss
Physics problems
Search Results
Correct Answer: both mass and velocity of the moving body
Correct Answer: Real and inverted
Correct Answer: Its speed will increase
Correct Answer: 2 m/sq.s
Correct Answer: density
Correct Answer: 3.6 x 106 J
Correct Answer: remains the same
Correct Answer: 150 J
Correct Answer: Concave mirror
Correct Answer: Ohm
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