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When fluid is heated it expands and become less dense. It rises and cool denser fluid fall forming convection current
johnmulu answered the question on November 1, 2017 at 08:16
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Date posted: November 1, 2017. Answers (1)
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Date posted: November 1, 2017. Answers (1)
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Date posted: November 1, 2017. Answers (1)
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Date posted: November 1, 2017. Answers (1)
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a. What is electrostatics?
b. Name two types of charges
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Date posted: October 31, 2017. Answers (1)
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Date posted: October 31, 2017. Answers (1)
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(a)What is main purpose of the translucent screen on the pinhole camera?
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Date posted: October 31, 2017. Answers (1)
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A pin hole camera of the length 20 cm forms an image 4 cm high of a woman standing 10 m in front of the camera. What is the height of the woman?
Date posted: October 31, 2017. Answers (1)
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List two common application of plane mirrors
Date posted: October 31, 2017. Answers (1)
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Date posted: October 31, 2017. Answers (1)
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Define what is
a. Solar eclipse or eclipse of the moon
b. Annular eclipse of the sun
c. Lunar eclipse
Date posted: October 31, 2017. Answers (1)
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Date posted: October 31, 2017. Answers (1)
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a. How does heat transfer take place in fluids?
b. Explain the terms
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Date posted: October 31, 2017. Answers (1)
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Describe how the volume and density of water changes from 0⁰c to 10⁰c
Date posted: October 31, 2017. Answers (1)
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Date posted: October 31, 2017. Answers (1)
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Define the terms
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Date posted: October 31, 2017. Answers (1)
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When does the
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Date posted: October 30, 2017. Answers (1)
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State the factors that determine the type of shadow formed from an object.
Date posted: October 30, 2017. Answers (1)
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Date posted: October 30, 2017. Answers (1)
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State the formula for finding the number of images formed when mirrors are placed at an angle to each other.
Date posted: October 30, 2017. Answers (1)