Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)

The displacement y of a particle executing periodic motion is given by y=4cos 2 (t)sin(1000t). this expression may be considered to be a result of the superposition of waves The displacement y of a particle executing periodic motion is given by y=4cos 2 (t)sin(1000t). this expression may be considered to be a result of the [...]

Particle projected at angle α from foot of plane inclined to horizontal at angle β. Show that it will strike plane at right angles if cotβ=2∗tan(α−β) Particle projected at angle α from foot of plane inclined to horizontal at angle β. Show that it will strike plane at right angles if cotβ=2∗tan(α−β) August 24, 2020 [...]

Shown in the figure is an R-L circuit. Just after the key (K) is closed Shown in the figure is an R-L circuit. Just after the key (K) is closed August 24, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

A particle is projected with a velocity u from a point at ground level. Show that it cannot clear a wall of height h at a distance x from the point of projection if u2<g(h+h2+x2−−−−−−√). A particle is projected with a velocity u from a point at ground level. Show that it cannot clear a [...]

A transverse wave is described by the equation y=y 0 ​ sin2π(ft− t x ​ ). The maximum velocity of the particle is equal to four times the wave velocity, if A transverse wave is described by the equation y=y 0 ​ sin2π(ft− t x ​ ). The maximum velocity of the particle is equal [...]

A particle projected with velocity u strikes at right angles a plane through the point of projection inclined at an angle beta to the horizon. A particle projected with velocity u strikes at right angles a plane through the point of projection inclined at an angle beta to the horizon. August 24, 2020 Category: Uncategorised [...]

When two simple harmonic motions of same periods, same amplitude, having phase difference of 3π/2, and at right angles to each other are super imposed, the resultant wave from is a and at right angles to each other are super imposed having phase difference of 3π/2 same amplitude the resultant wave from is a When [...]

A policeman on duty detects a drop of 10% in the pitch of the horn of a moving car as it crosses him. If the velocity of sound is 330m/s, the speed of the car will be A policeman on duty detects a drop of 10% in the pitch of the horn of a moving [...]

An air column in a pipe, which is closed at one end, is in resonance with a vibrating tuning fork of frequency 264 Hz. If v = 330 m/s, the length of the column in cm is (are) : An air column in a pipe is in resonance with a vibrating tuning fork of frequency [...]

An airplane is moving with velocity v0 horizontally at a height h. If a projectile is fired at the instant when the plane is overhead, What must be the angle of projection amd minimum velocity of projection in order that it may hit the airplane ? An airplane is moving with velocity v0 horizontally at [...]