Flash light equipped with a new set of batteries, produces bright white light. As the batteries wear out

Flash light equipped witha new set of bateries,produces bright white light.As the batteries wear out,

When the light is very bright,

What is the current out of battery ?

Which of the following cannot produce colours with white light ?

The rods of the retina are sensitive to bright light.

The rods of the retina are sensitive to bright light.

A flash light has 8 batteries out of which 3 are dead. If two batteries are selected without replacement and tested, the probability that both are dead is 3/(28) b. 1/(14) c. 9/(64) d. (33)/(56)

A flash light has 8 batteries out of which 3 are dead. If two batteries are selected without replacement and tested, the probability that both are dead is 3/(28) b. 1/(14) c. 9/(64) d. (33)/(56)