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The correct answer is B
Tungsten is used for the manufacture of the filament of an electric bulb, because –
The threshold wavelength for a photoelectric surface is 540 nm. Will a light of energy 2.5 eV cause photoemission?
When is the magnetic field strength considered strongest?
In a plane electromagnetic wave. the electric field oscillates sinusoid ally at a frequency of 3 × 108 Hz and amplitude 36 V/m. Find the am...
Which law states that the total current entering a junction is equal to the total current leaving the junction?
The mass of a star is two times the mass of the Sun. How it will come to an end?
What is the escape velocity from Earth?
__________ is the metal used for making the filament of the light bulb.
When a cannonball is fired, its motion is an example of which type of motion?
You are asked to jog in a circular track of radius 35 m. Right one complete round on the circular track, your displacement and distance covered by you r...