Home
Class 12
PHYSICS
The length of a rod is exactly 1 m when ...

The length of a rod is exactly 1 m when measured at rest . What will be its length when it moves at a speed of (a) `3 xx 10^(5)m s ^(-1)` (b) `3 xx 10^(6) m s^(-1)` and ( c) `3 xx 10^(7) m s ^(-1)` ?

Promotional Banner

Similar Questions

Explore conceptually related problems

Calculate the de-Broglie wavelength for electron moving with speed of 6 xx 10^5 m s^(-1) .

Calculate the momentum of a photon of frequency 5 xx 10^(13) Hz .Given, h = 6.6 xx 10^(-34)J.s and c = 3 xx 10^(8) m.s^(-1)

The rest mass of a proton is 1.67xx10^(-27) kg Its total energy when it moves with a speed of 2.1 xx10^(8) m/s is

The mass of an electron at rest is 9.1 xx10^(-31) kg. the mass of an electron, when it is moving with a speed of 2.4xx10^(8) m/s is (c=3xx10^(8) m//s)

The rest mass of a proton is 1.67xx10^(-27) kg. the kinetic energy of proton when it moves with a speed of 2.1xx10^(8) m/s is

The mass of an electron at rest is 9.1 xx10^(-31) kg. The energy of electron when it moves with speed of 1.8xx10^(8) m/s is

The rest mass of an electron is 9.1 xx10^(-31) kg. Its kinetic energy when it moves with a speed of 2.4xx10^(8) m/s is

The length of a moving scale is 6m, whose velocity is 2 xx 10^(7) m //s. Find its rest length

Calculate the unceertainty in position of an electron if the uncertainty in its velocity is 5.7 xx 10^(5) m s^(-1), h = 6.6 xx 10^(-24) kg m^(2) s^(-1) mass of electron = 9.1 xx 10^(-13 kg)