Sharing the findings of the Forest Survey, the Union Minister informed that the total forest and tree cover of the country is 80.9 million hectares, which is 24.62 percent of the total geographical area of the country.
A ray of light passing through an equilateral triangular glass prism from air undergoes minimum deviation when angle of incidence is 75% of the angle o...
The apparent weight of a person in a lift moving downward with uniform acceleration is:
A pond of water appears less deep due to –
The unit 'Weber' is associated with which of the following?
An object is placed at a distance of 10 cm in front of a double convex lens made of glass of refractive index 1.5. Both the radii of curvature of the le...
Which of the following is an example of longitudinal waves in a gas medium?
__________ is the metal used for making the filament of the light bulb.
A heating element using nichrome connected to a 230 V supply draws an initial current of 3.2 A which settles after a few seconds to a steady value of 2....
A circular coil of wire consisting of 120 turns, each of radius 12 cm carries a current of 0.30 A. What is the magnitude of the magnetic field B at the ...
The Mohs scale is used to measure:
