Question
On which date International Day of Neutrality is
celebrated annually?Solution
Every year on December 12th, the International Day of Neutrality promotes the importance of peaceful, friendly, and mutually beneficial relations between countries. It was officially declared by a UN General Assembly resolution adopted in February 2017 and first observed on December 12 of the same year.
What is the value of 1 horsepower in watts? Â
A train approaches a stationary observer with a speed of 36 km/h. It emits a sound of frequency 500 Hz. If the speed of sound is 340 m/s, what is the ap...
The rate of transfer of charges through a circuit is called?
Two blocks of masses 2 kg and 4 kg are connected by a light spring (k = 300 N/m) and placed on a smooth horizontal surface. The spring is compressed by ...
The work done by a centripetal force on an object moving in a circular path is:
Which of the following pair regarding sound is correct?
I. Loudness – depends on amplitude
II. Shrillness – depends on frequency
A particle is moving in a uniform circular motion with constant speed v along a circle of radius r. The acceleration-of the particle is –
The kinetic energy of a body is directly proportional to — Â
A plane mirror is placed on a wall. A man walks directly toward the mirror at 2 m/s. The speed at which his image approaches him is:
Fog is an example of –
