Out of crown and flint glasses, which has the larger value of dispersive power?

Which has highest pk_a value?

When two unequal springs of same material are loaded with same load, which one will have the larger value of time period?

Out of blue and red,which ligth has larger wavelength?

Rays of red and blue light are ncident on a gien prism.Explain,which will have the larger value of delta_m the angle of minimum deviation.

Of metal and alloy, which has greater value of temperature coefficient?

You are given prisms made of crown glass and flint glass with a wide variety of angles. Suggest a combination of prsims which will- disperse (and displace) a pencil of white light without much deviation.

You are given prisms made of crown glass and flint glass with a wide variety of angles. Suggest a combination of prisms which will- deviate a pencil of white light without much dispersion.

Out of Na and Na^(+) , which one has larger size and why?