The speed of the electrons produced increase; hence the strength of x-rays is increased
joseph rimiru answered the question on January 3, 2018 at 15:50
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There are two types of seismic waves produced by earthquakes. They are called P-waves and S-waves. P-waves are longitudinal and S-waves are transverse.(a) Explain...
(Solved)
There are two types of seismic waves produced by earthquakes. They are called P-waves and S-waves. P-waves are longitudinal and S-waves are transverse.
(a) Explain what is meant by the terms longitudinal and transverse.
longitudinal
transverse
(b) State another example of a longitudinal wave, a transverse wave.
Date posted:
January 2, 2018
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Answers (1)
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A box is lying on the floor of a fast moving truck; it is observed that when the lorry is suddenly brought to rest,...
(Solved)
A box is lying on the floor of a fast moving truck; it is observed that when the lorry is suddenly brought to rest, the final position of the box is nearer to the lorry than before. Explain this observation.
Date posted:
January 1, 2018
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Answers (1)
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Ether is put in a beaker which is placed on a thin film of water. A student blows the ether through a pipe continuously, state and...
(Solved)
Ether is put in a beaker which is placed on a thin film of water. A student blows the ether through a pipe continuously, state and explain the observation made after some time.
Date posted:
December 18, 2017
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Answers (1)
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Explain how doping produces an n-type semiconductor for a pure semiconductor material
(Solved)
Explain how doping produces an n-type semiconductor for a pure semiconductor material.
Date posted:
December 14, 2017
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Answers (1)
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State three advantages of using GM tube instead of a diffusion cloud chamber to detect radiations from radiations from radioactive substance.
(Solved)
State three advantages of using GM tube instead of a diffusion cloud chamber to detect radiations from radiations from radioactive substance.
Date posted:
December 12, 2017
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Answers (1)
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State the advantages of lead acid accumulator over primary cell
(Solved)
Advantages of lead acid accumulator over primary cell
Date posted:
December 9, 2017
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Answers (1)
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Explain the effects of total internal reflection
(Solved)
Explain the effects of total internal reflection.
Date posted:
November 27, 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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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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Explain why the feet feel colder when a person stands on a cemented floor than when on a wooden floor.
(Solved)
This is under Heat transfer.
Date posted:
November 21, 2017
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Answers (1)
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Explain why luggage compartments are situated in the lower parts of buses.
(Solved)
This is under equilibrium and center of gravity.
Date posted:
November 21, 2017
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Answers (1)
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Explain why a glass window soon becomes dusty when wiped dry with a dry cloth on a dry day.
(Solved)
This is under Electrostatics.
Date posted:
November 21, 2017
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Answers (1)
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Explain how heat loss through conduction and radiation is minimized in a vacuum flask
(Solved)
Explain how heat loss through conduction and radiation is minimized in a vacuum flask.
Date posted:
November 21, 2017
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Answers (1)
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When a brush is in water,the bristles spread but when it is taken out of water, the bristles cling together. Explain
(Solved)
When a brush is in water,the bristles spread but when it is taken out of water, the bristles cling together. Explain.
Date posted:
November 21, 2017
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Answers (1)
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State the advantages and disadvantages of anomalous expansion of water?
(Solved)
State the advantages and disadvantages of anomalous expansion of water?
Date posted:
November 20, 2017
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Answers (1)
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State one limitation of using a micrometer screw gauge.
(Solved)
This is under Measurement.
Date posted:
November 18, 2017
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Answers (1)
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What state of equilibrium does a bird perching on a hanging line have?
(Solved)
The topic involved is equilibrium and center of gravity
Date posted:
November 18, 2017
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Answers (1)
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State the paradox in Drude's Free electron model and explain how this paradox was removed.
(Solved)
State the paradox in Drude's Free electron model and explain how this paradox was removed.
Date posted:
November 18, 2017
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Answers (1)
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State two advantages of the cloud chamber over a charged gold leaf electroscope when used
as detectors of radiations
(Solved)
State two advantages of the cloud chamber over a charged gold leaf electroscope when used
as detectors of radiations
Date posted:
November 12, 2017
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Answers (1)