World Braille Day is observed on the 4th of January each year. This day marks the birth anniversary of Louis Braille, the inventor of the Braille script, which is used by blind and visually impaired individuals to read and write. The day is dedicated to raising awareness about the importance of accessibility and independence for those who are blind or visually impaired.
Current sensitivity of a moving coil galvanometer is 9 div/mA and its voltage sensitivity (angular deflection per unit voltage applied) is 30 div/V. The...
An image formed by a plane mirror is ______.
The base of an electric iron is brightly polished mainly -
The instrument used to measure the speed of the wind is –
Which of the following is an example of longitudinal waves in a gas medium?
Lux is the SI unit of -
A spherical ball made of steel when dropped in mercury container will –
A wire with green plastic covering is typically used as which type of wire?
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...
If the distance between two consecutive crests is L, then the wavelength is given by______.