A radio isotope X with a half life 1.4 x 10⁹ years decays to Y which is stable
A radio isotope X with a half life 1.4 x 10⁹ years decays to Y which is stable. A sample…
7 years ago
AIPMT2014
A projectile is fired from the surface of the earth with a velocity of 5 m s⁻¹ and angle
A projectile is fired from the surface of the earth with a velocity of 5 m s⁻¹ and angle θ…
7 years ago
A potentiometer circuit has been set up for finding the internal resistance of a given
A potentiometer circuit has been set up for finding the internal resistance of a given cell. The main battery, used…
7 years ago
A monoatomic gas at a pressure P, having a volume V expands isothermally
A monoatomic gas at a pressure P, having a volume V expands isothermally to a volume 2V and then adiabatically…
7 years ago
A conducting sphere of radius R is given a charge Q. The electric potential
A conducting sphere of radius R is given a charge Q. The electric potential and the electric field at the…
7 years ago
A certain number of spherical dropes of a liquid of radius r coalesce to form a single
A certain number of spherical dropes of a liquid of radius r coalesce to form a single drop of radius…
7 years ago
A body of mass (4m) is lying in x-y plane at rest. It suddenly explodes into three
A body of mass (4m) is lying in x-y plane at rest. It suddenly explodes into three pieces. Two pieces,…
7 years ago
A black hole is an object whose gravitational field is so strong that even light
A black hole is an object whose gravitational field is so strong that even light cannot escape from it. To…
7 years ago
A beam of light of λ=600 nm from a distant source falls on a single slit 1 mm wide
A beam of light of λ=600 nm from a distant source falls on a single slit 1 mm wide and…
7 years ago
A balloon with mass m is descending down with an acceleration a
A balloon with mass m is descending down with an acceleration a (where a
7 years ago