In the phenomenon of electric discharge through gases at low pressure,
In the phenomenon of electric discharge through gases at low pressure, the coloured glow in the tube appears as a…
6 years ago
AIPMT2008
A particle of mass 1mg has the same wavelength as an electron moving with a velocity
A particle of mass 1mg has the same wavelength as an electron moving with a velocity of 3 x 10⁶…
6 years ago
A wire of a certain material is stretched slowly by ten percent. Its new resistance
A wire of a certain material is stretched slowly by ten percent. Its new resistance and specific resistance become respectively…
6 years ago
The ratio of minimum wavelengths of Lyman and Balmer series will be
The ratio of minimum wavelengths of Lyman and Balmer series will be Options (a) 5 (b) 10 (c) 1.25 (d)…
6 years ago
Two nuclei have their mass numbers into the ratio of 1:3
Two nuclei have their mass numbers into the ratio of 1:3. The ratio of their nucleus densities would be Options…
6 years ago
If M (A; Z), Mₚ and Mₙ denote the masses of the nucleus AZ X, proton
If M (A; Z), Mₚ and Mₙ denote the masses of the nucleus AZ X, proton and neutron respectively in…
6 years ago
In an a.c circuit the e.m.f. (e) and the current (i) at any instant are given
In an a.c circuit the e.m.f. (e) and the current (i) at any instant are given respectively by e =…
6 years ago
The distance travelled by a particle starting from rest and moving
The distance travelled by a particle starting from rest and moving with an acceleration 4/3 ms⁻², in the third second…
6 years ago
A roller coaster is designed such that riders experience “weightlessness” as they
A roller coaster is designed such that riders experience "weightlessness" as they go round the top of a hill whose…
6 years ago
A particle of mass 1 mg has the same wavelength as an electron moving with a velocity
A particle of mass 1 mg has the same wavelength as an electron moving with a velocity of 3 x…
6 years ago