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Properties of Electromagnetic spectrum:
A spectrum can be divided into 3 regions. They are UV region, Visible region and IR region. Monochromatic light is a light which consists of one colour wavelength .A light which is a mixture of several colours (wavebands) is called polychromatic light.
The waves travelling with velocity of light and consisting of oscillating electric and magnetic fields perpendicular to each other and also perpendicular to the direction of their propagation are called 'electromagnetic waves'.
In p-type semiconductor the majority carriers are (A) Holes. (B) Positive ions. (c) Electrons. (D) Negative ions. Ans: In p-type semiconductor the majori
Q. What is the dissimilarity between the Atomic Theory and the Kinetic Theory? Answer:- Atomic theory is about structure of an atom that is its composition. Similar to an
Q Calculate the longest wavelength that can be analysed by a rock salt crystal of spacing d = 2.82 Ao in the first order. Data: d = 2.82 Å = 2.82 × 10-10 m; n = 1 ; λmax = ?
LENZ’S LAW A change of flux in a closed circuit induces an emf and sets up a current. The direction of this current is such that its magnetic field tends to oppose the c
A satellite is goes form the surface of earth vertically and then is turned horixontally in space as it requires to revolve around the earth.
The wave nature of light is demonstrated by which of the following a) The photoelectric effect b) Colour c) The speed of light d) Diffraction Ans: The w
what are the application of dimensions?
Briefly explain with necessary theory how you will calculate refractive index of water/transparent liquid by using Newton's ring apparatus?
what is resistor filter?
a freely falling object near the Earth''s surface has constant?
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