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Driving mirror / in supermarkets
joseph rimiru answered the question on October 1, 2017 at 05:20
- State the kind of image formed in a pinhole camera when the pinhole is enlarged(Solved)
State the kind of image formed in a pinhole camera when the pinhole is enlarged.
Date posted: October 1, 2017. Answers (1)
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A barber places two mirrors in parallel. State the number of images formed if a client sat between them.
Date posted: October 1, 2017. Answers (1)
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An image is always formed upside down in a pin hole camera. State the reason.
Date posted: September 29, 2017. Answers (1)
- Convert the following temperature values recorded in certain experiment to kelvin (K)
Temperature °C -263 -233 -203 -173 -143 -113 -83 -53
Temperature K
(Solved)
Convert the following temperature values recorded in certain experiment to kelvin (K)
Temperature ⁰C -263 -233 -203 -173 -143 -113 -83 -53
Temperature K
Date posted: September 29, 2017. Answers (1)
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Give a reason why mercury is a suitable liquid for use in a barometer.
Date posted: September 29, 2017. Answers (1)
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A girl opened a strong perfume in class bought from the beauty shop. State the reason why the perfume was detected throughout the room.
Date posted: September 29, 2017. Answers (1)
- Differentiate between floatation and sinking in terms Archimedes principle.(Solved)
Differentiate between floatation and sinking in terms Archimedes principle.
Date posted: September 28, 2017. Answers (1)
- State two conditions that must be met for a gas to obey pressure law.(Solved)
State two conditions that must be met for a gas to obey pressure law.
Date posted: September 28, 2017. Answers (1)
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State two properties which makes the oil suitable for use in machines
Date posted: September 28, 2017. Answers (1)
- Give a reason why ink is most likely to ooze out of a pen when one is up in a plane.(Solved)
Give a reason why ink is most likely to ooze out of a pen when one is up in a plane.
Date posted: September 28, 2017. Answers (1)
- Give a reason why a body moving in a circular path with constant speed is said to be
accelerating(Solved)
Give a reason why a body moving in a circular path with constant speed is said to be
accelerating
Date posted: September 28, 2017. Answers (1)
- Distinguish between velocity and speed.(Solved)
Distinguish between velocity and speed.
Date posted: September 28, 2017. Answers (1)
- State any two ways of minimizing heat gains to a substance placed in a vacuum flask.(Solved)
State any two ways of minimizing heat gains to a substance placed in a vacuum flask.
Date posted: September 28, 2017. Answers (1)
- State two factors that lowers the freezing point of ice.(Solved)
State two factors that lowers the freezing point of ice.
Date posted: September 28, 2017. Answers (1)
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Explain why ice skaters use sharp – edged shoes to slide on ice.
Date posted: September 28, 2017. Answers (1)
- A body is initially in motion. If no external force acts on the body, describe the subsequent motion.(Solved)
A body is initially in motion. If no external force acts on the body, describe the subsequent motion.
Date posted: September 28, 2017. Answers (1)
- Apart from friction, name another factor that reduces efficiency in machines.(Solved)
Apart from friction, name another factor that reduces efficiency in machines.
Date posted: September 28, 2017. Answers (1)
- When does total internal reflection take place.(Solved)
When does total internal reflection take place.
Date posted: September 28, 2017. Answers (1)
- Define Critical angle. (Solved)
Define Critical angle.
Date posted: September 28, 2017. Answers (1)
- Explain how a transverse stationary wave is generated using a string.(Solved)
Explain how a transverse stationary wave is generated using a string.
Date posted: September 28, 2017. Answers (1)