Which of the following elements is the best absorber of X-rays?

Similar Questions

The heights of the mercury thread in a mercury-in-glass thermometer when in melting ice and then in ...

Which of the following is NOT a factor that can increase the rate of evaporation of water in a lake?...

An aluminium cable of diameter 4 x 10-3m and resistivity 3.0 x 10-8\(\omega\)m has a resistance of 2...

Which of the following electromagnetic waves has the highest frequency? ...

The nucleon number of an atom is the total number of ...

Which of the following instruments is best for measuring the diameter of a thin constantan wire? ...

A battery of e.m.f 10V and internal resistance 2Ω is connected to a resistance of 6Ω. Calculate ...

A galvanometer of resistance 20\(\Omega\) is to be provided with a shunt that \(\frac{1}{10}\) of th...

A parallel beam of light is to be obtained from the headlamp ofa car. At which of the following posi...

The most suitable cell used for short interval switches in electric bells is a ...