Physics - Study Mode

[#576] The force between charged particles is called as:
Correct Answer

(D) Electromagnetic Force

Explanation

Solution: The force between charged particles is called as Electromagnetic Force.

[#577] Moving electric charge produces :
Correct Answer

(A) Magnetic field

Explanation

Solution: A moving charged particle produces a magnetic field.

[#578] Nuclear sizes are expressed in a unit named
Correct Answer

(A) Fermi
(E) Fermi

Explanation

Solution: Nuclear sizes are expressed in a unit called "Fermi" which is a unit of length equal to 1015 metre(one femtometre), used in nuclear physics.

[#579] Beta rays emitted by a radioactive material are
Correct Answer

(B) Charged particles emitted by nucleus

Explanation

Solution: Beta particles are fast moving electrons which are emitted by the nucleus.

[#580] At the center of the sun, fusion converts hydrogen into
Correct Answer

(A) Helium

Explanation

Solution: Nuclear fusion, the source of all the energy so generously radiated by the Sun, does two things: it converts hydrogen into helium (or rather, makes helium nuclei from protons) and it converts mass to energy.