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(i) It has of continuously varying wavelengths in a exact wavelength range.
(ii) It is given by solids, liquids and highly compressed gases heated to high temperature.
(iii) E.g. Light from the sun, candle flame, filament of incandescent bulb etc.
Doping: Silicon and Germanium have low values of electrical conductivity because of few free electrons. In order to improve the electrical conductivity of semi conductors' pent
The liquids which permits the current to pass by them and also dissociates into ions on passing current by them are named electrolytes e.g. resolution of salts, bases and acids in
Neuroscience is a scientific study of the nervous system. Usually, neuroscience has been seen considered as a branch of biology. Thus, it is now present an interdisciplinary scien
left-hand rule: It is the opposite-chirality version of the right-hand rule.
50 gm of an optically active substance is dissolved in 100 ml of water. A plane polarised light, when passing through 30 cm of the solution, suffers a rotation of 390 in it's plane
what are the examples of accurate and precise
A plane monochromatic wave travelling in a homogeneous medium goes into a denser medium. What are the changes in (i) Frequency (ii) amplitude (iii) speed of propagation & (iv) Phas
Manganin is an alloy of (A) Copper, manganese and nickel. (B) Copper and manganese. (C) Manganese and nickel. (D) Manganese, aluminium and nickel. Ans:
A resistor of 8Ω is connected in parallel with one of 12Ω and the combination is connected in series with one of 4Ω. A p.d. of 10V is applied to the circuit. The 8Ω resistor
What is Equatorial and polar diameter? The equatorial diameter. The equatorial diameter of the earth is 7920 miles in length and polar diameter is about 27 miles shorter than the
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