Among Alpha, Beta and Gamma radiations:
1. The Alpha Particles have highest ionising power but least penetrating power
2. The Gamma radiations have highest penetration power but lowest ionising power
Which among the above is / are correct statements?
A. Only 1
B. Only 2
C. Both 1 & 2
D. Neither 1 nor 2
Related Questions on General Science - Physics MCQs
Which among the following is measured using a Vernier Caliper?
A. Dimensions
B. Time
C. Sound
D. Temperature
A. 1 & 2 only
B. 2 & 3 only
C. 1 & 3 only
D. 2 only
One joule of work is said to be done when__:
A. a force of 1 dyne causes a displacement of 1 cm.
B. a force of 1 dyne causes a displacement of 1 m.
C. a force of 1 N causes a displacement of 1 cm.
D. a force of 1 N causes a displacement of 1 m.
A. Only 1, 2 & 4
B. Only 2, 3 & 4
C. Only 2 & 4
D. Only 2
A. Only 1
B. Only 2
C. Both 1 & 2
D. Neither 1 nor 2