Question
How many members are there in food authority
Solution
Chairperson & 22 members are there in food authority
Calculate the speed of light in diamond if its refractive index is 2.4.
(Speed of light = 3 × 10⁸ m/s)
What is the weight of a 10 kg object on Earth? (Take g = 9.8 m/s²)
In a spring-block system executing SHM, at displacement x= A/2, the ratio of kinetic to potential energy is:
Which of the following is an example of longitudinal waves in a gas medium?
Light from a point source in air falls on a spherical glass surface (n=1.5 c and radius of curvature = 10 cm). The distance of the light source from the...
A porter lifts luggage of 20 kg from the ground and puts it on his head 2 m above the ground. Calculate the work done by him on the luggage (take g = 10...
A plane electromagnetic wave travels in vacuum along z-direction. What can you say about the directions of its electric and magnetic field vectors? If t...
Which of the following phenomena establishes the transverse nature of light waves?
Which of the following is a nonrenewable source of energy?
The focal length of a concave mirror is 20 cm. Where should an object be placed to get an image of the same size?
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