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.
528 ms-1
264 ms-1
132 ms-1
66 ms-1
Correct answer is B
in a vibrating string the fundamental frequency is given by fo = v/2L
therefore velocity = 2L x f.
= 2 x 0.6 x 220
= 264 m/s.
The time rate of loss of heat by a body is proportional to the
difference in temprature between the body and its surroundings
temperature of its surroundings
ratio of the temperature of the body to that of its surroundings
temperature of the body
Correct answer is A
No explanation has been provided for this answer.
Which of the following eye defects can be corrected using a cylindrical lens.
myopia
Astigmatism
Presbyopia
Chromatic abiration
Correct answer is B
No explanation has been provided for this answer.
the property that is propagated in a traveling wave is
frequency
amplitude
energy
wave length
Correct answer is C
No explanation has been provided for this answer.
To produce an enlarged and erect image with a concave mirror,the object must be positioned
at the principal focus
beyond the centre of curvature
between the principal focus and the centre of the curvature
between the principal focus and the pole
Correct answer is D
No explanation has been provided for this answer.