The binding energy per nucleon is maximum for:

In a p-n junction, the depletion region is formed due to:

Half-life of a radioactive element is 10 days. After 30 days, the fraction remaining is:

In forward bias of a p-n junction:

Alpha decay reduces atomic number by:

The truth table for AND gate with inputs A=1, B=0 gives output:

Nuclear fusion requires:

In an n-type semiconductor, majority carriers are:

The mass defect of a nucleus is related to binding energy by:

A Zener diode is used as:

Beta-minus decay involves emission of:

The output of NAND gate is equivalent to:

Nuclear radius is proportional to:

The energy gap in a semiconductor is approximately:

In a full-wave rectifier, output frequency is:

The Q-value of a nuclear reaction is positive when:

An LED works on the principle of:

The activity of a radioactive sample is measured in:

A transistor in common emitter configuration has current gain β = 100. If base current is 20 μA, collector current is:

The nuclear force is: