Options:
- A. T.V
- B. Radio
- C. Microwave oven
- D. Bulb
View Answer
D. Bulb
Physics
The distance covered by a body in one complete vibration is 20cm. What is the amplitude of body ___________________?
Options:
- A. 10 cm
- B. 5 cm
- C. 15 cm
- D. 7.5 cm
View Answer
B. 5 cm
Sum of the masses of constituent nucleons as compared to the mass of the resultant nucleus is______________?
Options:
- A. Smaller
- B. Greater than 82
- C. Same
- D. Sometimes smaller some times greater
View Answer
B. Greater than 82
T.V sets and microwave ovens emit ___________________?
Options:
- A. X-rays
- B. ?-rays
- C. ?-rays
- D. ?-rays
View Answer
A. X-rays
Pair production cannot take place in a vacuum as ________________?
Options:
- A. Mass is not conserved
- B. Energy is not conserved
- C. Momentum is not conserved
- D. The chargee is not conserved
View Answer
C. Momentum is not conserved
In any measurement the significant figures are______________?
Options:
- A. All accurately known and all doubtful digits
- B. Only accurately known digits
- C. Only doubtful digits
- D. All accurately known digits and the first doubtful digit
View Answer
D. All accurately known digits and the first doubtful digit
Unit of G is ______________?
Options:
- A. Nm2Kg2
- B. Nm2Kg
- C. Nm2Kg-2
- D. None
View Answer
B. Nm2Kg
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
If a car moves with a uniform speed of 2 ms-1 in a circle of radius 0.4. Its angular speed is______________?
Options:
- A. 4 rad. S-1
- B. 5 rad. S-1
- C. 1.6 rad. S-1
- D. 2.8 ms-1
View Answer
B. 5 rad. S-1
A satellite moving around the earth constitutes______________?
Options:
- A. An inertial frame of reference
- B. Non-inertial frame
- C. Neither inertial nor non-inertial
- D. Both inertial and non-inertial
View Answer
B. Non-inertial frame