Physics

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,…

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…

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…

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

Two tuning forks are sounded together and produce 2 beats per second.

Two tuning forks are sounded together and produce 2 beats per second. The frequency of one of them is 288…

When a sound wave of wavelength λ is propagating in a medium,

When a sound wave of wavelength λ is propagating in a medium, the maximum velocity of the particle is equal…

A car moving with a velocity of 36 km/hr crosses a siren of frequency 500 Hz.

A car moving with a velocity of 36 km/hr crosses a siren of frequency 500 Hz. The apparent frequency of…

Two points are located at a distance of 10 m and 15 m from the source of oscillation

Two points are located at a distance of 10 m and 15 m from the source of oscillation. The period…

The phase difference between two points seperated by 0.8 m in a wave of frequency

The phase difference between two points seperated by 0.8 m in a wave of frequency 120 Hz is 0.5 π.…

The maximum and minimum intensities of two sources is 4:1. The ratio of amplitude is

The maximum and minimum intensities of two sources is 4:1. The ratio of amplitude is Options (a) 3 : 1…