Discussion
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- Question
During which of the following operating conditions of an automobile, carbon monoxide content in exhaust gas is maximum?
Options- A. Acceleration
- B. Cruising
- C. Idle running
- D. Deacceleration
- Correct Answer
- Idle running
- 1. A galvanometer can be converted into a voltmeter by connecting with it a
Options- A. high resistance in parallel
- B. low resistance on parallel
- C. high resistance on series
- D. low resistance in series Discuss
- 2. The motion of a freely falling body is an example of ______________ accelerated motion.
Options- A. non-uniformly
- B. uniformly
- C. uniquely
- D. specially Discuss
- 3. What is the resistance (in ohm) of an electrical component if a current of 0.1 A passes through it on application of 5 V of potential difference across it?
Options- A. 0.5
- B. 100
- C. 50
- D. 1 Discuss
- 4. In an optical fibre the signal is transmitted
Options- A. in a straight line path
- B. In a curved path
- C. due to total internal reflection
- D. Due to refraction Discuss
- 5. Which one of the following processes is responsible for the glittering of air bubble rising through water?
Options- A. Reflection of light
- B. Refraction of light
- C. Total internal reflection of light
- D. Scattering of light Discuss
- 6. Even after sunset, the air near the Earth's surface continue to receive heat due to
Options- A. Insolation
- B. Terrestrial Radiation
- C. Conduction
- D. Convection Discuss
- 7. What does the slope of a velocity time graph represent?
Options- A. Acceleration
- B. Distance
- C. Speed
- D. Momentum Discuss
- 8. What is the unit of the physical quantity "Jerk"?
Options- A. meter second
- B. meter per second cube
- C. meter per second square
- D. meter per second Discuss
- 9. A man standing close to the platform at a railway station experiences a pulling force towards a fast moving train because of __________ .
Options- A. gravitational force between train and man
- B. illusion of the man
- C. the centripetal force
- D. pressure difference due to fast moving air in between Discuss
- 10. What is the effective resistance (in ?) of two resistors 20 ? and 30 ? connected in parallel?
Options- A. 50
- B. 12
- C. 24
- D. 36 Discuss
Physics problems
Search Results
Correct Answer: high resistance on series
Correct Answer: uniformly
Correct Answer: 50
Correct Answer: Due to refraction
Correct Answer: Total internal reflection of light
Correct Answer: Terrestrial Radiation
Correct Answer: Acceleration
Correct Answer: meter per second cube
Correct Answer: pressure difference due to fast moving air in between
Correct Answer: 12
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