Physics problems
- 1. A covex mirror of focal length f (in air) is immersed in a liquid (u=4/3). The focal length of the mirror in the liquid will be :
Options- A. f
- B. (4/3)f
- C. (3/4)f
- D. (7/3)f Also asked in: Bank Exams, AIEEE
Correct Answer: f
- 2. Which among the following is false about displacement?
Options- A. It can be positive, negative or zero
- B. Displacement is never greater than Distance
- C. Its SI unit is meter
- D. It is always positive Also asked in: AIEEE, Bank Exams, CAT
Correct Answer: It is always positive
- 3. What is the SI unit of Force?
Options- A. Pascal
- B. Boyle
- C. Newton
- D. Watt Also asked in: Bank Exams
Correct Answer: Newton
- 4. Which of the following instrument is used to measure Soil Water Tension?
Options- A. Photometer
- B. Pyrometer
- C. Psychrometer
- D. Tensiometer Also asked in: Bank Exams
Correct Answer: Tensiometer
- 5. Which physical quantity is measured in 'siemens'?
Options- A. Electric potential
- B. Electrical conductance
- C. Magnetic flux
- D. Refractive index Also asked in: AIEEE, Bank Exams, CAT
Correct Answer: Electrical conductance
- 6. If the current flowing through a circuit is 0.6 A for 6 mins, the amount of electric charge flowing through it is .......
Options- A. 360C
- B. 216 C
- C. 60 C
- D. 36 C Also asked in: AIEEE, Bank Exams
Correct Answer: 216 C
- 7. Which of the following cannot be used for making lenses?
Options- A. Plastic
- B. Soil
- C. Glass
- D. Water Also asked in: AIEEE, Bank Exams, CAT
Correct Answer: Soil
- 8. "When a card placed over a tumbler is flicked with the finger, the coin placed over it falls in the tumbler".
Options- A. Law of conservation of energy
- B. Newton's third law of motion
- C. Law of Inertia
- D. Law of conservation of momentum Also asked in: AIEEE, Bank Exams, CAT
Correct Answer: Law of Inertia
- 9. A person does some work of 1,000 J in 2 s. His power will be ......
Options- A. 1000W
- B. 25W
- C. 500W
- D. 50W Also asked in: AIEEE, Bank Exams, CAT
Correct Answer: 500W
- 10. Which property of metals enables production of metallic foils?
Options- A. Malleability
- B. Ductility
- C. Sonority
- D. Conductivity Also asked in: AIEEE, Bank Exams, CAT
Correct Answer: Malleability
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