Options:
- A. Mass of the jumper
- B. Height of jump
- C. Angle of projection
- D. None
View Answer
C. Angle of projection
Physics
A hoop and disc have same mass and radius. Their rotational K.E are related by an equation______________?
Options:
- A. K.E hoop = K.E disc
- B. K.E hoop = 2K.E disc
- C. K.E hoop = 1/2K.E disc
- D. K.E hoop = 4K.E disc
View Answer
B. K.E hoop = 2K.E disc
The critical speed of an artificial satellite is_______________?
Options:
- A. 8 Kms-1
- B. 8.1 Kms-1
- C. 7.9 Kms-1
- D. 8 ms-1
View Answer
C. 7.9 Kms-1
Geostationary satellite completes one rotation around the earth in_______________?
Options:
- A. 3 hours
- B. 6 hours
- C. 12 hours
- D. 24 hours
View Answer
D. 24 hours
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
Smaller the least count of the instrument more is the measurement________________?
Options:
- A. Accurate
- B. Precise
- C. Accurate and precise
- D. None of these
View Answer
B. Precise
One light year is equal to________________?
Options:
- A. 9.5x1015m
- B. 9.5x1015sec
- C. 9.5x1015Km
- D. 9.5x1015cm
View Answer
A. 9.5x1015m
The dimension of force is__________________?
Options:
- A. MLT-1
- B. MLT-2
- C. ML-1T
- D. ML-1T-2
View Answer
B. MLT-2
Which one is the derived quantity in SI units _____________?
Options:
- A. Electric current
- B. Electric charge
- C. Plane angle
- D. Amount of substance
View Answer
B. Electric charge
ML-1 T-2 is the dimension of_______________?
Options:
- A. Force
- B. Pressure
- C. Momentum
- D. Energy
View Answer
B. Pressure