Discussion
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- Question
If a force acts upon two objects at rest, and having different masses for the same amount of time, then which one of the following will be the same for both the objects?
Options- A. Acceleration
- B. Kinetic Energy
- C. Velocity
- D. Momentum
- Correct Answer
- Momentum
- 1. During uniform motion of an object along a straight line, its ___________ remains constant with time
Options- A. acceleration
- B. deceleration
- C. force
- D. velocity Discuss
- 2. Find the acceleration (in m/s2) of a body which accelerates from 25 m/s to 30 m/s in 10 seconds
Options- A. 5.5
- B. 1
- C. 11
- D. 0.5 Discuss
- 3. For a body moving with uniform acceleration its final velocity equals _________________.
Options- A. average velocity - initial velocity
- B. 2 x average velocity - initial velocity
- C. 2 x average velocity + initial velocity
- D. average velocity + initial velocity Discuss
- 4. The force exerted by a magnet is an example of _________.
Options- A. Non-contact force
- B. Muscular force
- C. Contact force
- D. Electrostatic force Discuss
- 5. An image formed by a plane mirror, that cannot be obtained on a screen is called _______.
Options- A. Virtual image
- B. Real image
- C. Inverted image
- D. Erect image Discuss
- 6. Formula for distance is
Options- A. speed x time
- B. time / speed
- C. speed x acceleration
- D. velocity / speed Discuss
- 7. Why metals conduct electricity?
Options- A. Because of low melting point
- B. Because of high tensile strength
- C. Because of free electrons
- D. Because of high atomic density Discuss
- 8. Which of the following has the lowest frequency?
Options- A. Visible light
- B. Gamma rays
- C. X-rays
- D. Ultra violet rays Discuss
- 9. What is the unit of electric resistance?
Options- A. Dyne
- B. Pascal
- C. Joule
- D. Ohms Discuss
- 10. Which device is used to measure the depth of ocean?
Options- A. Lexometer
- B. Nanometer
- C. Fathometer
- D. Hydrometer Discuss
Physics problems
Search Results
Correct Answer: velocity
Correct Answer: 0.5
Correct Answer: 2 x average velocity - initial velocity
Correct Answer: Non-contact force
Correct Answer: Virtual image
Correct Answer: speed x time
Correct Answer: Because of free electrons
Correct Answer: Visible light
Correct Answer: Ohms
Correct Answer: Fathometer
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