The coin will be circular in shape with a diameter of 44 millimeters and will have 200 serrations along its edges . The 35 - gram coin will be made from a four - part alloy, which includes 50 % silver, 40 % copper, 5 % nickel, and 5 % zinc .
If the distance between two consecutive crests is L, then the wavelength is given by______.
What process causes white light to split into its constituent colors?
Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by –
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 ...
A sudden drop in barometric pressure indicates which of the following?
Which of the following statement is correct?
I. The incident ray, the normal at the point of incidence and the reflected ray all lie in the sa...
The reason for a swimming pool to appear less deep than the actual depth is –
__________ is the metal used for making the filament of the light bulb.
A beam of light consisting of two wavelengths, 600 nm and 420 nm, is used to obtain interference fringes in a Young’s double-slit experiment. Find...
Which of the following statement is correct?
I. Value of ‘g’ is higher at poles than equator
II. Weight of an object at moon is 1...