If the wavelength of light incident on simple microscope increases then its magnifying power will
A) increase
B)decrease
C) remains same
D) first increase and later decrease

Select the correct answer Across a period, the ionization potential [increases, decreases, remains same].

The magnifying power of a simple microscope can be increased, if we use eye-piece of

If radius of earth is increased, without chage in its mass, will the length of day increase, decrease or remain same?

If each data point in a set is increased by 7, does the set's standard deviation increase, decrease, or remain constant?

Select the correct answer Down the group, electron affinity [increases, decreases, remains same]

As the ray of light passes from air to glass , state how the wavelength of light changes does it increase , decrease or remain constant ?

Fill in the blanks from the choices given below: Across a period, the ionization potential …....... (increases, decreases, remains same).

As the volume increases with temperature, its density decreases.

When day light hours are increased, the rate of photosynthesis (a) Increases (b) Decreases (c) Remains unchanged (d) None of the above

A : Magnifying power of a simple microscope cannot be increased beyond a limit. R : Magnifying power is inversely proportional to focal length and there are some practical difficulty of grinding, aberrations etc. because of which focal length cannot be decreased below a limt.