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Explain why bright shining tea pot is considered better than one which is dull.
Date posted:
September 27, 2017
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State any difference between sound and water waves.
Date posted:
September 27, 2017
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Explain how the rotation of blades at the the top of the helicopter enables it to take off.
Date posted:
September 27, 2017
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During strong windy day, the roof is likely to be taken off. Explain
Date posted:
September 27, 2017
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A microscope is focused on a mark on horizontal surface. A rectangular glass block 30mm thick is
place on the mark. The microscope is then adjusted dd10mm upwards; to bring the mark back to
focus, determine the refractive index of the glass
Date posted:
September 26, 2017
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Explain why a person should crawl close to the floor in a smoke-filled room.
Date posted:
September 26, 2017
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Define parallax as used in rectilinear propagation of light
Date posted:
September 26, 2017
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State the characteristics of images formed by a plane mirror
Date posted:
September 26, 2017
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Describe how you can charge an electroscope positively using a positively charged conductor.
Date posted:
September 26, 2017
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Two tuning forks of frequencies 256Hz and 258 Hz are sounded simultaneously and then placed close to each other, calculate the beat frequency.
Date posted:
September 25, 2017
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An electric pump can raise water from a low level reservoir to the higher – level reservoir at the rate of 3.0 x 10^5 kg per hour.The vertical height of the water raised 360m.If the rate of energy loss in form of heat is 200KW, determine the efficiency of the pump.
Date posted:
September 25, 2017
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Two tuning forks are sounded together. What is the condition for the beats to be heard
Date posted:
September 25, 2017
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Explain any two applications of electromagnets.
Date posted:
September 25, 2017
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State Fleming’s right-hand rule or the motor rule
Date posted:
September 25, 2017
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State factors that affect the strength of the electromagnet in the solenoid
Date posted:
September 25, 2017
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State right hand grip rule for a loop.
Date posted:
September 25, 2017
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State Maxwell Right hand grip rule for a straight conductor carrying current.
Date posted:
September 25, 2017
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State ampere's swimming rule.
Date posted:
September 25, 2017
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Explain why laboratory retort stands are made with a wide heavy base.
Date posted:
September 25, 2017
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State two ways in which the stability of a body can be increased.
Date posted:
September 25, 2017
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How does oil reduce friction in moving parts of a machine?
Date posted:
September 25, 2017
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The reading on a burette is 7.6 cm3. Three drops of water each of volume 0.6 cm3 drops out. Find the new reading.
Date posted:
September 25, 2017
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How can one calculate capacitance?
Date posted:
September 25, 2017
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Define moment of a force?
Date posted:
September 25, 2017
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Two thin blankets are warmer than a single thick one. Explain.
Date posted:
September 25, 2017
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How does the shiny surface of the thermos flask reduce heat loss.
Date posted:
September 25, 2017
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Explain why flames go up.
Date posted:
September 25, 2017
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Differentiate between a beam and ray of light.
Date posted:
September 25, 2017
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What is a ray of light?
Date posted:
September 25, 2017
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State factors which determine the type of shadow formed.
Date posted:
September 25, 2017