Jamb 2015

Question 1

The direction of the path taken by light is called

Answer 1

Ray

Question 2

A stroboscope can be used to make the wave appear …………..

Answer 2

Stationary

Question 3

State floatation principle

Answer 3

The principle of floatation states that a floating body displaces its own weight of the fluid or which its float.

Question 4

A motor boy of a driver saw what seems to appear to be a pool of water a head of him, while his driver drives a new truck on a sunny day. explain his observation?

Answer 4

The sun’s ray from the sky were passing from a hot air to a colder air

Question 5

The compressed regions and the space-out regions in longitude wave are refers to as

Answer 5

Compression and rarefaction

Question 6

What is a magnetic relay device?

Answer 6

Magnetic relay device :is the device that controls a circuit (i.e one circuit )if a current in the second circuit is large or dangerous

Question 7

What type of electromagnetic radiation can be used to take photographs in the haze?

Answer 7

Infrared ray

Question 8

For a best result using temperature to achieve an accurate measurement, it is best to use

Answer 8

Gas thermometer

Question 9

The eyeball consists of a round tough white skin called

Answer 9

Sclerotic

Question 10

The normal temperature of human body is record at what ranges?

Answer 10

35 to 37