Options:
- A. 2KWh
- B. 20KWh
- C. 6KWh
- D. 12KWh
View Answer
A. 2KWh
Physics
Resistance of a super conductor is ______________________?
Options:
- A. finite
- B. infinite
- C. zero
- D. changes with every conductor
View Answer
C. zero
Photoelectric effect was given by ____________________?
Options:
- A. Hertz
- B. Fresnel
- C. Einstein
- D. Plank
View Answer
C. Einstein
Which is not optically active ?
Options:
- A. sugar
- B. tartaric acid
- C. water
- D. sodium chlorate
View Answer
C. water
Which experiment shows that wavelength of light is smaller than that of sound___________________?
Options:
- A. Diffraction
- B. Polarization
- C. Interference
- D. Reflection
View Answer
A. Diffraction
Two automobiles are 150 kilometers apart and traveling toward each other. One automobile is moving at 60km/h and the other is moving at 40km/h mph. In how many hours will they meet?
Options:
- A. 2.5
- B. 2.0
- C. 1.75
- D. 1.5
View Answer
D. 1.5
linear expansion occurs in_________?
Options:
- A. solid
- B. liquid
- C. both
- D. none
View Answer
A. solid
Distance covered by a freely falling body in 2 seconds will be__________________?
Options:
- A. 4.9 m
- B. 19.6 m
- C. 39.2 m
- D. 44.1 m
View Answer
B. 19.6 m
The acceleration in the rocket at any instant is proportional to the nth power of the velocity of the expelled gases. Where the value of n must be ?
Options:
- A. -1
- B. 1
- C. 2
- D. -2
View Answer
B. 1
The number of beats produced per second is equal to____________________?
Options:
- A. the sum of the frequencies of two tuning forks
- B. the difference of the frequencies of two tuning forks
- C. the ratio of the frequencies of two tuning forks
- D. the frequency of either of the two tuning forks
View Answer
B. the difference of the frequencies of two tuning forks