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.
The pair of musical instruments that works on the vibration of air in pipes is
piano and the organ
guitar and the flute
trumpet and the violin
flute and the trumpet
Correct answer is D
No explanation has been provided for this answer.
\(\frac{V}{L}\)
\(\frac{5VL}{2}\)
\(\frac{5L}{4V}\)
\(\frac{5V}{4L}\)
Correct answer is D
L = \(\frac{5\lambda}{4}\)
\(\lambda = \frac{4L}{5}\)
But \(\lambda = f\lambda\)
f = \(\frac{v}{\lambda} = \frac{v}{\frac{4L}{5}}\)
= \(\frac{5v}{4L}\)
Complementary colours are those which
have the same refractive index
have the same wavelength
add-up to produce black light
add-up to produce white light
Correct answer is D
No explanation has been provided for this answer.
i and ii only
i and iii only
i, ii and iii only
i, iii and iv only
Correct answer is B
No explanation has been provided for this answer.
The image formed by a concave mirror is real, inverted and magnified, when object is placed
at the focus
at the centre of curvature
beyond the centre of curvature
between the centre of curvature and the focus
Correct answer is A
No explanation has been provided for this answer.