Ionizing Radiation Multiple Choice Questions (MCQ) PDF - 52

MCQ 256: Process in which α and β rays pass close to atoms and knock electrons out is called

1. atomization
2. ionization
3. decay
4. hydroxylation

MCQ 257: Time taken by a radioactive substance to decay half is called

1. time delay
2. half life
3. time constant
4. half period

MCQ 258: When ball having a projectile motion is rising up, it

1. decelerates
2. accelerates
3. rises up with constant acceleration
4. acceleration becomes zero

MCQ 259: Acceleration of a rocket having mass 5000 kg and resultant force acting on it is 200,000 N is

1. 50 ms^-2
2. 56 ms^-2
3. 70 ms^-2
4. 40 ms^-2

MCQ 260: A digital quantity has

1. only 2 values
2. more than 2 values
3. no values
4. less than 2 values