Options:
- A. Non-viscous
- B. Incompressible
- C. Steady flow
- D. Possess all properties
View Answer
D. Possess all properties
Physics
The total energy of a body executing S.H.M is directly proportional to________________?
Options:
- A. The square root of amplitude
- B. The amplitude
- C. Reciprocal of amplitude
- D. Square of an amplitude
View Answer
D. Square of an amplitude
The restoring force acting on the simple pendulum is given by_______________?
Options:
- A. mg sin ?
- B. mg sin ?
- C. mg cos ?
- D. mg cos ?
View Answer
B. mg sin ?
A cup of milk is placed in a microwave oven. Tell which statements is false. (1) Milk will be heated up only. (2) Cup will remain cool. (3) Both cup and mild will get hot ?
Options:
- A. None
- B. 1
- C. 2
- D. 3
View Answer
D. 3
The unit of radioactivity curie is equal to_________________?
Options:
- A. 3.74 x 109 disintegration per sec
- B. 3.70 x 1010 disintegration per sec
- C. 3.55 x 1010 disintegration per sec
- D. 3.60 x 1010 disintegration per sec
View Answer
B. 3.70 x 1010 disintegration per sec
Strontium-90 is used as __________________?
Options:
- A. ?-particle source
- B. ?-particle source
- C. ?-rays source
- D. Neutron source
View Answer
A. ?-particle source
A device for producing high-velocity nuclei is ________________?
Options:
- A. Cloud chamber
- B. Linear accelerator
- C. A mass spectrograph
- D. Wilson cloud chamber
View Answer
B. Linear accelerator
Number of significant figures in 0.0173 is_________________?
Options:
- A. 3
- B. 4
- C. 5
- D. 2
View Answer
A. 3
How many main frontiers of fundamental science ?
Options:
- A. 1
- B. 2
- C. 3
- D. 4
View Answer
C. 3
The radius of geostationary orbit from the centre of the earth is nearly______________?
Options:
- A. 42000km
- B. 36000km
- C. 24000 km
- D. 18000 km
View Answer
A. 42000km