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Start learning 50% faster. Sign in nowActive remote sensing instruments operate with their own source of emission or light eg: RADAR while passive ones rely on the reflected one. INSAT is a series of multipurpose geo-stationary satellites.
The force that resists the motion of a body sliding over a surface is called:
What is the unit of the refractive index?
Half-life of a radioactive substance is 10 days. The time after which only 1/16th of it remains is:
Two cars A and B are running at velocities of 60km per hour and 45 km per hour. What is the relative velocity of car A with respect to car B, if both ar...
When is the magnetic field strength considered strongest?
A body is thrown vertically upward with a velocity of 20 m/s. What will be its velocity at the highest point?
In which type of wave do the particles of the medium vibrate perpendicular to the direction of wave propagation?
The diameter of a capillary is 4mm. If Reynolds's number of the tube is 1000 and the co-efficient of viscosity for water is 0.02 poise, determine the m...
The potential inside a charged hollow sphere is __________.
In AC circuits, AC meters measure –