1. Mechanics
2. Electricity and magnetism
3. Waves
chrispohmomanyi answered the question on September 21, 2017 at 12:21
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Define the centre of gravity.
(Solved)
Define the centre of gravity.
Date posted:
September 21, 2017
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Answers (1)
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Name three points that lie along the principal axis.
(Solved)
Name three points that lie along the principal axis.
Date posted:
September 21, 2017
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Answers (1)
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State the difference between images formed by concave mirrors and plane mirrors.
(Solved)
State the difference between images formed by concave mirrors and plane mirrors.
Date posted:
September 21, 2017
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Answers (1)
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Differentiate between real and virtual images.
(Solved)
What is the difference between real and virtual images?
Date posted:
September 21, 2017
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Answers (1)
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State why convex mirrors are used as driving mirrors?
(Solved)
State why convex mirrors are used as driving mirrors?
Date posted:
September 21, 2017
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Answers (1)
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What is spring constant?
(Solved)
What is spring constant?
Date posted:
September 21, 2017
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Answers (1)
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Define the term wavelength
(Solved)
Define the term wavelength.
Date posted:
September 21, 2017
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Answers (1)
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A trolley of mass 0.5kg moving with a velocity of I .2ms-1 collides inelastically with a second trolley of mass 1.5kg moving in the...
(Solved)
A trolley of mass 0.5kg moving with a velocity of 1.2ms-1 collides inelastically with a second trolley of mass 1.5kg moving in the same direction with a velocity of 0.2ms-1. Determine the velocity of the trolleys after collission .
Date posted:
September 21, 2017
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Answers (1)
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What are the differences between electromagnetic waves and mechanical waves
(Solved)
What are the differences between electromagnetic waves and mechanical waves
Date posted:
September 20, 2017
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Answers (1)
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State the first law of refraction
(Solved)
State the first law of refraction
Date posted:
September 20, 2017
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Answers (1)
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Why is the metre bridge method a more accurate means of measuring resistance than Ammeter-voltmeter method.
(Solved)
Why is the metre bridge method a more accurate means of measuring resistance than Ammeter-voltmeter method.
Date posted:
September 20, 2017
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Answers (1)
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State one reason why mercury is preferred as a barometric liquid and not water.
(Solved)
State one reason why mercury is preferred as a barometric liquid and not water.
Date posted:
September 20, 2017
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Answers (1)
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Highlight one fact which shows that heat from the sun does not reach the earth's surface by convection
(Solved)
Highlight one fact which shows that heat from the sun does not reach the earth's surface by
convection.
Date posted:
September 20, 2017
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Answers (1)
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The activity of a radioactive substance, initially at 400 counts per second reduces to 50 counts per
second in 72 minutes. Determine the half – life...
(Solved)
The activity of a radioactive substance, initially at 400 counts per second reduces to 50 counts per
second in 72 minutes. Determine the half – life of the substance
Date posted:
September 19, 2017
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Answers (1)
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Distinguish between semiconductor and conductors
(Solved)
Distinguish between semiconductor and conductors
Date posted:
September 19, 2017
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Answers (1)
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Which instrument which can be used to measure the thickness of the hair
(Solved)
Which instrument which can be used to measure the thickness of the hair.
Date posted:
September 19, 2017
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Answers (1)
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State the accuracy of a vernier caliper.
(Solved)
State the accuracy of a vernier caliper.
Date posted:
September 19, 2017
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Answers (1)
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State the difference between conductors and insulators
(Solved)
State the difference between conductors and insulators
Date posted:
September 19, 2017
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Answers (1)
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Explain why boiling water is not used to sterilize clinical thermometer.
(Solved)
Explain why boiling water is not used to sterilize clinical thermometer.
Date posted:
September 19, 2017
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Answers (1)
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State any two reasons why water is not a suitable thermometric fluid.
(Solved)
State any two reasons why water is not a suitable thermometric fluid.
Date posted:
September 19, 2017
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Answers (1)