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.
125m
150m
250m
15km
Correct answer is A
speed = \(\frac{90 \times 10^3}{3600}\) = 25ms-1
Acceleration = velocity change / time = 25 / 10
: Acceleration = 2.5
Using S = Ut + \(\frac{1}{2}\) at^2
S = \(\frac{1}{2}\) X 2.5 X 10^2 = 125m
Which of the following is a fundamental unit?
Newton
Watt
Joule
Second
Correct answer is D
No explanation has been provided for this answer.
Which of the following phenomena is called photoelectric effect?
high energy electrons impinge on a metalic anode which then emits photons
a high energy photon emits photons as it slowed down
a metal absorbs quanta of light and then emits electrons
Two electrons are created from a quantum of light
Correct answer is C
No explanation has been provided for this answer.
i and ii only
ii and iii only
i and iii only
i, ii, and iii only
Correct answer is A
No explanation has been provided for this answer.
4Mp > Mx
4Mp = Mx
4Mp < Mx
Mp > Mx
Correct answer is A
Energy is given out