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- Question
A particle is thrown vertically upward. When it reaches the highest point, it has ____________
Options- A. a downward acceleration
- B. an upward acceleration
- C. a downward velocity
- D. a horizontal velocity
- Correct Answer
- a downward acceleration
- 1. _________________ is a measure of the moisture in air.
Options- A. Density
- B. Viscosity
- C. Impurity
- D. Humidity Discuss
- 2. Find the current (in A) when a charge of 500 Coulomb flows in 25 seconds.
Options- A. 12500
- B. 20
- C. 40
- D. 6250 Discuss
- 3. The force which makes a vehicle to stop when break is applied is called
Options- A. gravitational force
- B. vanderwalls force
- C. frictional force
- D. covalant force Discuss
- 4. The time taken by a pendulum to complete one oscillation is called its?
Options- A. Maximum speed
- B. Average speed
- C. Time period
- D. Time interval Discuss
- 5. In a qualitative way, the tendency of undisturbed objects to stay at rest or to keep moving with the same velocity is called _________.
Options- A. force
- B. acceleration
- C. friction
- D. inertia Discuss
- 6. The quality or tone of a musical sound produced by a stringed instrument depends on
Options- A. frequency of vibration
- B. length of the strings in the instrument
- C. Amplitude of vibration
- D. waveform of the sound Discuss
- 7. Every hot object emits _________________
Options- A. X - rays
- B. Visible light
- C. Infrared rays
- D. Ultraviolet rays Discuss
- 8. Ozone protects biosphere from ___________
Options- A. X - rays
- B. Gamma rays
- C. Ultraviolet rays
- D. Infrared rays Discuss
- 9. Which one of the following takes place during a nuclear fusion?
Options- A. a heavy nucleus bombarded by neutrons breaks up
- B. a heavy nucleus breaks up spontaneously
- C. two light nuclei combine to form a heavy nucleus
- D. a light nucleus breaks up spontaneously Discuss
- 10. The frictional force exerted by fluids is also called ________.
Options- A. drag
- B. buoyancy
- C. upthrust
- D. convection Discuss
Physics problems
Search Results
Correct Answer: Humidity
Correct Answer: 12500
Correct Answer: frictional force
Correct Answer: Time period
Correct Answer: inertia
Correct Answer: waveform of the sound
Correct Answer: Infrared rays
Correct Answer: Ultraviolet rays
Correct Answer: two light nuclei combine to form a heavy nucleus
Correct Answer: drag
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