Physics problems
- 1. The force that generates wind is
Options- A. Gravity force
- B. Pressure gradient force
- C. Coriolis force
- D. Centrifugal force Also asked in: AIEEE, Bank Exams, CAT, Analyst, Bank Clerk, Bank PO
Correct Answer: Pressure gradient force
Explanation:
Wind is the flow of gases on a large scale. On the surface of the Earth, wind consists of the bulk movement of air. The force that generates wind is called as Pressure gradient force.
- 2. A doppler effect occurs when a source of sound moves
Options- A. away from you
- B. towards you
- C. Both A & B
- D. None of the above Also asked in: AIEEE, Bank Exams, CAT, GATE, Analyst, Bank Clerk, Bank PO, Database Administrator, IT Trainer
Correct Answer: Both A & B
- 3. Kilohertz is a unit which measures
Options- A. Electromagnetic radio wave frequencies
- B. Electric resistance
- C. Power used by a current of one ampere
- D. Voltage Also asked in: AIEEE, Bank Exams, CAT, GATE, Analyst, Bank Clerk, Bank PO, Database Administrator, IT Trainer
Correct Answer: Electromagnetic radio wave frequencies
- 4. Bandwidth is the
Options- A. a measure of the width of a range of frequencies
- B. the rate of data transfer
- C. both a & b
- D. None of the above Also asked in: AIEEE, Bank Exams, CAT, GATE, Analyst, Bank Clerk, Bank PO
Correct Answer: both a & b
- 5. In a _________ the wave particles of the medium vibrate in a direction perpendicular to the direction of wave propagation
Options- A. longitudinal
- B. rolling
- C. transverse
- D. field Also asked in: Bank Exams, GATE, Bank Clerk, Bank PO
Correct Answer: transverse
- 6. A mass of 20 kg is at a height of 8 m above the ground. Then the potential energy possessed by the bodyis: [Given g = 9.8 m/s]
Options- A. 1568 J
- B. 1568 C
- C. 1568 W
- D. 1568 N Also asked in: Bank Exams
Correct Answer: 1568 J
- 7. What is the minimum distance (in metres) required to hear an echo?
Options- A. 10
- B. 13
- C. 17
- D. 21 Discuss
Correct Answer: 17
- 8. Choose the most appropriate answer:Natural radioactivity was discovered by
Options- A. Marie Curie
- B. Earnest Rutherford
- C. Henry Bacquerel
- D. Enrico Fermi Discuss
Correct Answer: Henry Bacquerel
Explanation:
Natural radioactivity was discovered by Henri Bacquerel.
- 9. 1 kW = ?
Options- A. 1000 W
- B. 10 W
- C. 100 W
- D. 10000 W Also asked in: AIEEE, Bank Exams, CAT
Correct Answer: 1000 W
- 10. Negative acceleration is in the opposite direction of:
Options- A. force
- B. distance
- C. velocity
- D. momentum Also asked in: CAT, Bank Exams, AIEEE
Correct Answer: velocity
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