Mock Test -117 [Physics]

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?

Which among the following cease to exist (or become zero) at Absolute zero temperature on Kelvin scale?

1. Oscillation of the atoms and molecules
2. Entropy
3. Electrical resistance

Choose the correct option from the codes given below:

Which among the following is the most primitive life form?

The International Astronomical Union (IAU) considers an object to be a dwarf planet if:

1. It orbits a star
2. It has enough mass for its gravity to overcome external forces to acquire a near-spherical shape
3. It doesn’t have bigger objects in its neighbourhood

Select the correct option from the codes given below:

Which among the following orbits are more prone to harms of space debris or space Junk in comparison to others?