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- Define relative density.(Solved)
Define relative density.
Date posted: October 1, 2017. Answers (1)
- State any difference between dry cells and an accumulator.(Solved)
State any difference between dry cells and an accumulator.
Date posted: October 1, 2017. Answers (1)
- An automobile electrician notices that by replacing a wire, it becomes hot and its insulation burns off. Explain the most probable mistake she made.(Solved)
An automobile electrician notices that by replacing a wire, it becomes hot and its insulation burns off. Explain the most probable mistake she made.
Date posted: October 1, 2017. Answers (1)
- A student is provided with a bar magnet and a string. Explain the easiest way of identifying the poles.(Solved)
A student is provided with a bar magnet and a string. Explain the easiest way of identifying the poles.
Date posted: October 1, 2017. Answers (1)
- An extension of 1.0 cm was caused on a spring by an object of weight 40 N.
a. What is the spring constant of the spring
b. What is...(Solved)
An extension of 1.0 cm was caused on a spring by an object of weight 40 N.
a. What is the spring constant of the spring
b. What is the weight of an object that would cause an extension of 1.4 cm at the end of the same spring.
Date posted: October 1, 2017. Answers (1)
- A man fixed a large concave mirror of focal length 2 m, 160 cm from his face. State three characteristics of his image in the mirror.(Solved)
A man fixed a large concave mirror of focal length 2 m, 160 cm from his face. State three characteristics of his image in the mirror.
Date posted: October 1, 2017. Answers (1)
- A student wishes to measure the thickness of a photocopying paper. What apparatus must he use?(Solved)
A student wishes to measure the thickness of a photocopying paper. What apparatus must he use?
Date posted: October 1, 2017. Answers (1)
- Hammering of a magnet demagnetizes a magnet. Explain how this takes place. (Solved)
Hammering of a magnet demagnetizes a magnet. Explain how this takes place.
Date posted: October 1, 2017. Answers (1)
- Determine the quantity of charge that crosses a point in 8 minutes if the current is 1.0 A(Solved)
Determine the quantity of charge that crosses a point in 8 minutes if the current is 1.0 A
Date posted: October 1, 2017. Answers (1)
- A charged electroscope is used in electrostatics study. State two of its uses.(Solved)
A charged electroscope is used in electrostatics study. State two of its uses.
Date posted: October 1, 2017. Answers (1)
- What does the following statement represent? ‘like charges repel while unlike charge attract’.(Solved)
What does the following statement represent? ‘like charges repel while unlike charge attract’.
Date posted: October 1, 2017. Answers (1)
- A convex mirror has a wide field of view than the plane mirror. Where is this property applied?(Solved)
A convex mirror has a wide field of view than the plane mirror. Where is this property applied?
Date posted: October 1, 2017. Answers (1)
- 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)
- A barber places two mirrors in parallel. State the number of images formed if a client sat between them.(Solved)
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)
- An image is always formed upside down in a pin hole camera. State the reason.(Solved)
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)
- 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)