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light travels in a straight line / path.
joseph rimiru answered the question on September 29, 2017 at 19:26
- 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)
- Give a reason why mercury is a suitable liquid for use in a barometer.(Solved)
Give a reason why mercury is a suitable liquid for use in a barometer.
Date posted: September 29, 2017. Answers (1)
- A girl opened a strong perfume in class bought from the beauty shop. State the reason why the perfume was detected throughout the room.(Solved)
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)
- State two properties which makes the oil suitable for use in machines(Solved)
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)
- Explain why ice skaters use sharp – edged shoes to slide on ice.(Solved)
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)
- Explain why charged conductor mounted on an insulator will lose its charge after some time.(Solved)
Explain why charged conductor mounted on an insulator will lose its charge after some time.
Date posted: September 28, 2017. Answers (1)
- State the mode by which heat is lost from a black can filled with hot water.(Solved)
State the mode by which heat is lost from a black can filled with hot water.
Date posted: September 28, 2017. Answers (1)
- What is elastic collision.(Solved)
What is elastic collision.
Date posted: September 28, 2017. Answers (1)