The two sources of light should be coherent . They should emit light of the same wavelength, period, frequency, amplitude and of zero phase difference continuously.
The two sources of light should be very close.
lendiritu answered the question on November 24, 2017 at 16:12
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Harmonic motions are of two types. Name them.
(Solved)
Harmonic motions are of two types. Name them.
Date posted:
November 24, 2017
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Answers (1)
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State three properties of Kets and Bras
(Solved)
State three properties of Kets and Bras.
Date posted:
November 24, 2017
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Answers (1)
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State five applications of Schrodinger Equation
(Solved)
State five applications of Schrodinger Equation.
Date posted:
November 24, 2017
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Answers (1)
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State three differences between Quantum Mechanics and Classical Mechanics
(Solved)
State three differences between Quantum Mechanics and Classical Mechanics
Date posted:
November 24, 2017
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Answers (1)
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State two ways of varying the size of the image formed in a pinhole camera
(Solved)
State two ways of varying the size of the image formed in a pinhole camera.
Date posted:
November 24, 2017
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Answers (1)
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State one similarity of images formed by a convex mirror and a plane mirror.
(Solved)
State one similarity of images formed by a convex mirror and a plane mirror
Date posted:
November 24, 2017
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Answers (1)
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State the advantages of using mercury as a liquid in glass thermometer.
(Solved)
State the advantages of using mercury as a liquid in glass thermometer.
Date posted:
November 24, 2017
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Answers (1)
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Explain why water wets glass tubes.
(Solved)
Explain why water wets glass tubes.
Date posted:
November 24, 2017
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Answers (1)
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State two applications of capillary action
(Solved)
State two applications of capillary action.
Date posted:
November 24, 2017
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Answers (1)
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State the first and the second Newton’s laws of motion
(Solved)
State the first and the second Newton’s laws of motion
Date posted:
November 23, 2017
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Answers (1)
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State the laws of refraction and refractive...
(Solved)
State the laws of refraction and refractive index
Date posted:
November 23, 2017
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Answers (1)
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Define the term refraction
(Solved)
Define the term refraction
Date posted:
November 23, 2017
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Answers (1)
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Calculate the distance in metre traveled by motor cycle moving with a uniform speed of 120 km/h in 50 seconds.
(Solved)
Calculate the distance in metre traveled by motor cycle moving with a uniform speed of 120 km/h in 50 seconds.
Date posted:
November 23, 2017
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Answers (1)
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What is meant by the following terms: a. displacement b. speed c. average speed
(Solved)
What is meant by the following terms:
a. displacement
b. speed
c. average speed
Date posted:
November 23, 2017
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Answers (1)
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The study of motion is divided into two parts. Name them
(Solved)
The study of motion is divided into two parts. Name them
Date posted:
November 23, 2017
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Answers (1)
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State any two errors that are likely to be encountered with using a metre rule to measure length.
(Solved)
This is under Measurement.
Date posted:
November 21, 2017
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Answers (1)
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Give reasons why mercury is prefered to water as a barometric liquid.
(Solved)
This is under Measurement of Pressure.
Date posted:
November 21, 2017
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Answers (1)
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What are the disadvantages of using alcohol as a thermometric liquid?
(Solved)
This is under thermal expansion.
Date posted:
November 21, 2017
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Answers (1)
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Name the branches of Physics.
(Solved)
This is under Introduction to Physics.
Date posted:
November 21, 2017
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Answers (1)
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State three ways in which an electromagnet could be made more powerful.
(Solved)
This is under electricity and magnetism.
Date posted:
November 21, 2017
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Answers (1)