The potential energy of a long spring when stretched by 2 cm is U.
The potential energy of a long spring when stretched by 2 cm is U. If the spring is stretched by…
8 years ago
Physics
A stationary particle explodes into two particles of masses m₁ and m₂ which move
A stationary particle explodes into two particles of masses m₁ and m₂ which move in opposite directions with velocities v₁…
8 years ago
A uniform rope of length 12 m and mass 6 kg hangs vertically from a rigid support.
A uniform rope of length 12 m and mass 6 kg hangs vertically from a rigid support. A block of…
8 years ago
The time of reverberation of a room A is one second. What will be the time (in seconds)
The time of reverberation of a room A is one second. What will be the time (in seconds) of reverbation…
8 years ago
A plane polarised light is incident normally on a tourmaline plate. Its E vector make
A plane polarised light is incident normally on a tourmaline plate. Its E vector make an angle of 60⁰ with…
8 years ago
The interferance pattern is obtained with two coherent light sources of intensity
The interferance pattern is obtained with two coherent light sources of intensity ratio n. In the interference pattern, the ratio…
8 years ago
If sink is at a temperature of -39⁰C and source at 0⁰C, then efficiency will be
If sink is at a temperature of -39⁰C and source at 0⁰C, then efficiency will be Options (a) 14.20% (b)…
8 years ago
If ∆Q>0 when heat flows into a system, ∆W>0 when work is done on the system
If ∆Q>0 when heat flows into a system, ∆W>0 when work is done on the system, then the increase in…
8 years ago
A glass slab consists of thin uniform layers of progressively decreasing refractive
A glass slab consists of thin uniform layers of progressively decreasing refractive indices refractive index such that the refractive index…
8 years ago
If μᵥ=1.5230 and μʀ=15.145, then dispersive power of crown glass is
If μᵥ=1.5230 and μʀ=15.145, then dispersive power of crown glass is Options (a) 0.0164 (b) 0.00701 (c) 0.0132 (d) 0.032…
8 years ago