If `10%` of total electrons from `54gm` Water are removed then find total charge in it :-
(A) `288times10^(4)cb`
(B) `2.88times10^(4)cb`
(C) `28.8times10^(4)cb`
(D) `2880times10^(4)cb`

How many electrons must be removed from a piece of metal to give it a positive charge of 1.0 xx 10^(-7)C

If a body gives out 10^(9) electrons every second, how much time required to get a total charge of 1 C from it ?

In the past 2000 million years, continents have circled the earth (a) 40 times (b) 10 times (c) 4 times (d) 2 times

Solve- (4/9)^-2 times (4/9)^9 times (4/9)^-10

Find the magnitude of the electric field at a point 4 cm away from a line charge of density 2 xx 10^(-6) C m^(-1) .

Express the following mathematical operations in scientific notation (1) (7.7 xx 10^(4))+ (0.77 xx 10^(5)) (2) (8.7 xx 10^(4))/(0.77 xx 10^(5))

If 10^(10) electrons are acquired by a body every second, the time required for the body to get a total charge of C will be

Find the number of significant figures in the 4.51 xx 10^8

The ratio of final to initial pressures of a gas when u_(rms) of a gas in a container is increased from 5 xx 10^(4) cm sec^(-1)" to " 10 xx 10^(4) cm sec^(-1)

The photoelectric threshold wavelength of silver is 3250 xx 10^(-10) m . The velocity of the electron ejected from a silver surface by ultraviolet light of wavelength 2536 xx 10^(-10) m is (Given h = 4.14 xx 10^(6) ms^(-1) eVs and c = 3 xx 10^(8) ms^(-1))