When the light is very bright,

When the human comes in bright light then what will happen

Red light of wavelength 6000 Å is used in a Young's double-slit experiment. At a point P on the screen n^(th) bright fringe is obtained . When red light is replaced with blue light of wavelengh 4000 Å, ( n + 1)^(th) bright fringe is obtained at the same point P. Calculate the value of n.

A cesium photocell, with a steady potential difference of 60 V across it ,is illuminated by a small bright light placed 1m away. When the same light is placed 2m away, the electrons crossing the photocell

A caesium photocell , with a steady potential difference of 60 V across , is alluminated by a bright point source of light 50 cm away. When the same light is placed 1 m away the photoelectrons emitted from the cell

Statement I : Diamond is very bright. Statement II : Diamond has verylow refactive index.

(a) What happens to the size of pupil of our eye (i) in dim light (ii) in bright light ? (b) Name the cells on the retina of an eye which are sensitive to (i) bright light (ii) dim light (iii) sensation of colour.

Why the brightness of light emitted by a bulb decreases gradually with its period of use?

In a certain code language '324' means 'Light is bright', '629' means 'Girl is beautiful' and '4758' means 'I prefer bright clothes'. Which digit means 'Light' in that language?

When multatto female individual marries with very light (albino) male, the percentage of very light offspring will be