Get premium membership and access questions with answers, video lessons as well as revision papers.
1. Make the bore very fine.
2. Make the wall of the bulb thiner
chrispohmomanyi answered the question on October 4, 2017 at 07:24
- A person alighting from a moving matatu tends to spread his legs. Explain why. (Solved)
A person alighting from a moving matatu tends to spread his legs. Explain why.
Date posted: October 4, 2017. Answers (1)
- State the law that relates to the elasticity of an elastic spring when acted on by force. (Solved)
State the law that relates to the elasticity of an elastic spring when acted on by force.
Date posted: October 4, 2017. Answers (1)
- State two applications of surface tension.(Solved)
State two applications of surface tension.
Date posted: October 4, 2017. Answers (1)
- State one factor that affects the electrostatic force.(Solved)
State one factor that affects the electrostatic force.
Date posted: October 4, 2017. Answers (1)
- What is meant by the change of state?(Solved)
What is meant by the change of state?
Date posted: October 4, 2017. Answers (1)
- Explain the usefulness of a vernier scale in the vernier callipers.(Solved)
Explain the usefulness of a vernier scale in the vernier callipers.
Date posted: October 4, 2017. Answers (1)
- Give an example where a liquid still sinks yet it is being heated.(Solved)
Give an example where a liquid still sinks yet it is being heated.
Date posted: October 4, 2017. Answers (1)
- Explain heat transfer by conduction in solids.(Solved)
Explain heat transfer by conduction in solids.
Date posted: October 4, 2017. Answers (1)
- State two factors which affect the centripetal force of a body moving in a circle.(Solved)
State two factors which affect the centripetal force of a body moving in a circle.
Date posted: October 4, 2017. Answers (1)
- State the function of the following features in a liquid in glass thermometer.
1. Thin walled bulb
2. Thick walled stem.(Solved)
State the function of the following features in a liquid in glass thermometer.
1. Thin walled bulb
2. Thick walled stem.
Date posted: October 4, 2017. Answers (1)
- State two effects of anomalous expansion of water.(Solved)
State two effects of anomalous expansion of water.
Date posted: October 4, 2017. Answers (1)
- Give three ways in which the power of an electric motor can be increased.(Solved)
Give three ways in which the power of an electric motor can be increased.
Date posted: October 4, 2017. Answers (1)
- State the effect of adding sodium chloride to ice at 0 degrees.(Solved)
State the effect of adding sodium chloride to ice at 0 degrees.
Date posted: October 4, 2017. Answers (1)
- Explain the function of the small hole at the side of the cover of a ball point pen. (Solved)
Explain the function of the small hole at the side of the cover of a ball point pen.
Date posted: October 4, 2017. Answers (1)
- Why is the inner part of a pinhole camera painted black?(Solved)
Why is the inner part of a pinhole camera painted black?
Date posted: October 4, 2017. Answers (1)
- How does a syringe draw water from a beaker.(Solved)
How does a syringe draw water from a beaker.
Date posted: October 4, 2017. Answers (1)
- Explain why a concave meniscus is formed on the surface of water while convex meniscus on mercury liquid.(Solved)
Explain why a concave meniscus is formed on the surface of water while convex meniscus on mercury liquid.
Date posted: October 4, 2017. Answers (1)
- State the purpose of carbon powder in a dry cell.(Solved)
State the purpose of carbon powder in a dry cell.
Date posted: October 4, 2017. Answers (1)
- State two ways of increasing the mechanical advantage of a hydraulic machine.(Solved)
State two ways of increasing the mechanical advantage of a hydraulic machine.
Date posted: October 4, 2017. Answers (1)
- State and explain how stability of the candle changes as it continues to burn.(Solved)
State and explain how stability of the candle changes as it continues to burn.
Date posted: October 4, 2017. Answers (1)