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World Wide Web Day, National Mountain Climbing Day and World Lung Cancer Day are being observed on 1st August.
The surface tension of water on adding detergent to it –
In order to investigate the internal atomic structure of crystals, we make use of:
Which of the following phenomena establishes the transverse nature of light waves?
What is the electrical charge of a neutrino?
In a spring-block system executing SHM, at displacement x= A/2, the ratio of kinetic to potential energy is:
If an agent does a work 'W' in time 't', then the power is given by:__________.
The force of attraction or repulsion between two point charges at rest is directly proportional to the product of magnitude of the charges and inversely...
If the phase difference between two points is 120° for a wave with velocity of 360 m/ and frequency 500 Hz, then path difference between the two point...
A decibel is –
What is the speed of sound in air at room temperature (20°C)?