Physics Hard PPSC Uploaded: 17 Aug 2026

The work function of a metal is the minimum energy required to:

Correct Answer: Option D — Remove an electron from the metal surface

Explanation:

The work function is the minimum amount of energy needed to eject an electron from the surface of a metal, a key concept in explaining the t...

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Which scientist is credited with developing the special theory of relativity?

The process by which a heavy nucleus splits into two lighter nuclei is called:

The de Broglie hypothesis proposed that particles such as electrons exhibit:

The process by which two light nuclei combine to form a heavier nucleus is called:

Quantum mechanics primarily deals with the behavior of:

Which type of radioactive decay involves the emission of an electron?

The neutron was discovered by:

Gamma rays are a form of:

The electron was discovered by:

The half-life of a radioactive substance is the time taken for: