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.
decrease
increase
remain the same
increase and collapse immediately
Correct answer is B
No explanation has been provided for this answer.
As the air column of length L in an air pipe decreases, the frequency of the sationary wave emitted
decreases
increases
varies as L2
varies as \(\sqrt{L}\)
Correct answer is A
No explanation has been provided for this answer.
The amplitude of a sound wave determines its
frequency
quality
loudness
pitch
Correct answer is C
No explanation has been provided for this answer.
Which of the following electromagnetic wave has the longest wavelength?
radio-waves
gamma rays
infrared waves
ultraviolet rays
Correct answer is A
No explanation has been provided for this answer.
A lens that is thinner at the middle and thicher at the edges is
diverging
converging
plano-convex
converging meniscus
Correct answer is A
No explanation has been provided for this answer.