Physics भौतिक विज्ञान Quiz #22
Lakes freeze in cold countries in winter leaving the water underneath at
Which one of the following determines the sharpness of image in a camera ?
In MRI machine which one Of the following is used?
For a person having hyper metropia the near point is
Amount of water vapour in the atmosphere is measured in terms of
Name the process of production of energy in the Sun
A spherical ball made of steel when dropped in mercury container will
the sound having a frequency of 20 hertz to 20000 hertz are known as
Eclipses occur due to which optical phenomena?
Pure water is bad conductor of electricity because it is