Discussion
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- Question
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
- Correct Answer
- 50
- 1. 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
- 2. 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
- 3. If electric resistance is to be decreased, then the number of resistances should be connected in ________________
Options- A. Series
- B. Parallel
- C. Mixed arrangement
- D. None of these Discuss
- 4. If there were no gravity, which of the following will not be there for a fluid?
Options- A. Viscosity
- B. Surface Tension
- C. Pressure
- D. Upward Thrust Discuss
- 5. The spring balance works on the principle of __________
Options- A. Boyle's Law
- B. Hooke's Law
- C. Bernoulli's principle
- D. Pascal's Law Discuss
- 6. The motion of a freely falling body is an example of ______________ accelerated motion.
Options- A. non-uniformly
- B. uniformly
- C. uniquely
- D. specially Discuss
- 7. 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
- 8. 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 Discuss
- 9. 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
- 10. What does the slope of a velocity time graph represent?
Options- A. Acceleration
- B. Distance
- C. Speed
- D. Momentum Discuss
Physics problems
Search Results
Correct Answer: Due to refraction
Correct Answer: Total internal reflection of light
Correct Answer: Parallel
Correct Answer: Upward Thrust
Correct Answer: Hooke's Law
Correct Answer: uniformly
Correct Answer: high resistance on series
Correct Answer: Idle running
Correct Answer: Terrestrial Radiation
Correct Answer: Acceleration
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