Mock Test -120 [Physics]

Which among the following is measured using a Vernier Caliper?

Radioactive emission of which of the following particles would change(s) mass number as well as atomic number?

1. Gamma particle
2. Beta particle
3. Alpha particle

Select the correct option from the codes given below:  

If we look at the floating piece of iceberg on the sea, approximately what fraction of it is visible above the seawater level?

The pulling sensation when we stand near a running train can be explained on the basis of ___:

Consider the following:
1. Formation of a rainbow
2. Dispersion of light,
3. A coin appears raised when placed in a trough filled with water
Which among the above refraction?