Physics - Study Mode

[#1046] Hydraulic brakes in automobile work on
Correct Answer

(B) Pascal's principle

Explanation

Solution: Hydraulic brakes in automobile work on Pascal's principle.

[#1047] When the barometer reading dips suddenly, it is an indication of
Correct Answer

(C) Storm

Explanation

Solution: When the barometer reading dips suddenly, it is an indication of storm.

[#1048] A storm is predicted if atmospheric pressure
Correct Answer

(C) Falls suddenly

Explanation

Solution: A storm is predicted if atmospheric pressure falls suddenly.

[#1049] On which principle does the hydraulic lift works?
Correct Answer

(B) Pascal's law

Explanation

Solution: Hydraulic lift works on the principle of Pascal's law.

[#1050] The energy of a photon, whose momentum is 10 MeV/c, where c is the speed of light, is given by
Correct Answer

(A) 10 MeV

Explanation

Solution: A photon’s relativistic momentum is given by the equation,E = pc where p is the momentum. P = 10 MeV/c So, E = 10 MeV