Suspend the bar magnet freely with a string allowing it to oscillate until it comes to rest. It will orient itself in the North-South direction. The North pole will face the south and south pole will face the North.
chrispohmomanyi answered the question on October 1, 2017 at 07:01
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)