Physics Questions and Answers
If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.
If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.
In a photocell, light energy is converted to
Electrical energy
Chemical energy
Heat energy
Mechanical energy
Kinetic energy
Correct answer is A
No explanation has been provided for this answer.
0.2A
0.5A
2.5A
5A
12.5A
Correct answer is B
\(\frac{I_s}{I_p}=\frac{n_p}{n_s}, I_s= \frac{I_pn_p}{n_s}=\frac{2.5\times50}{250}\Rightarrow0.5A\)
Octet rule
Right hand grip rule
Maxwell’s screw rule
Ampere’s swimming rule
Fleming’s left hand rule
Correct answer is E
No explanation has been provided for this answer.
Lenz’s law of electromagnetic induction is essentially a statement of the
Inverse square law of gravitation
Inverse square law of magnetism
Inverse square law of electrostatics
Law of conservation of momentum
Law of conservation of energy
Correct answer is E
No explanation has been provided for this answer.
Sublimation
Diffusion
Osmosis
Evaporation
Capillarity
Correct answer is E
No explanation has been provided for this answer.