1991 JAMB UTME Physics Past Questions

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1991

When a plane mirror at which a ray is incident is rotated through an angle \( \theta \), the reflected ray will be rotated through

1991

The image in a pin-hole camera is

1991

Which of the following is TRUE of light and sound waves?

1991

A boy timed 30 oscillations of a certain pendulum thrice and obtained 1min. 10s, 1min. 12s and 1min. 7s respectively.The mean period of oscillation of the pendulum is

1991

A room is heated by means of a charcoal fire, An occupant of the room standing away from the fire is warmed mainly by

1991

A man hears his echo from a nearby hill 2s after he shouted. If the frequency of his voice is 260Hz and the wavelength is 1.29m, how far away is the hill?

1991

Two tuning forks of frequency 256Hz and 260Hz are sounded close to each other. What is the frequency of the beats produced?

1991

Which of the following correctly, describes the image of an object, 4cm from a diverging lens of focal length 12cm?

1991

In a ray diagram for a thin converging lens, a ray that is not parallel to the optic axis but passes through the optic center will

1991

A trough 12.0cm deep is filled with water of refractive index \(\frac{4}{3}\). By how much would a coin at the bottom of the trough appear to be displaced when viewed vertically from above the water surface?

1991

A moving coil galvanometer of 300\(\Omega\) resistance gives full scale deflection for 1.0mA. The resistance R, of the shunt that is required to convert the galvanometer into a 3.0A ammeter is

1991

The function of the system of granulated carbon mixed with manganese (IV) oxide in a Letanche cell is to

1991

An insulated rod when rubbed with a material acquires

1991

Which of the following statements is CORRECT about the earth's magnetic field?

1991

When the bottom tip of a vibrating tuning fork is held in contact with a wooden box, a louder sound is heard. This phenomenon is known as

1991

The electrochemical equivalent of platinum is 5.0 x 10-7kgC-1 to plate-out 1.0kg of platinum, a current of 100A must be passed through an appropriate vessel for

1991

If a current carrying coil is mounted on a metal frame, the back e.m.f. induced in the coil causes

1991

To convert an alternating current dynamo into a direct current dynamo, the

1991

1991 JAMB UTME Physics Past Questions

When a plane mirror at which a ray is incident is rotated through an angle \( \theta \), the reflected ray will be rotated through

The image in a pin-hole camera is

Which of the following is TRUE of light and sound waves?

A boy timed 30 oscillations of a certain pendulum thrice and obtained 1min. 10s, 1min. 12s and 1min. 7s respectively.The mean period of oscillation of the pendulum is

A room is heated by means of a charcoal fire, An occupant of the room standing away from the fire is warmed mainly by

A man hears his echo from a nearby hill 2s after he shouted. If the frequency of his voice is 260Hz and the wavelength is 1.29m, how far away is the hill?

Two tuning forks of frequency 256Hz and 260Hz are sounded close to each other. What is the frequency of the beats produced?

Which of the following correctly, describes the image of an object, 4cm from a diverging lens of focal length 12cm?

In a ray diagram for a thin converging lens, a ray that is not parallel to the optic axis but passes through the optic center will

A trough 12.0cm deep is filled with water of refractive index \(\frac{4}{3}\). By how much would a coin at the bottom of the trough appear to be displaced when viewed vertically from above the water surface?

A moving coil galvanometer of 300\(\Omega\) resistance gives full scale deflection for 1.0mA. The resistance R, of the shunt that is required to convert the galvanometer into a 3.0A ammeter is

The function of the system of granulated carbon mixed with manganese (IV) oxide in a Letanche cell is to

An insulated rod when rubbed with a material acquires

Which of the following statements is CORRECT about the earth's magnetic field?

When the bottom tip of a vibrating tuning fork is held in contact with a wooden box, a louder sound is heard. This phenomenon is known as

The electrochemical equivalent of platinum is 5.0 x 10-7kgC-1 to plate-out 1.0kg of platinum, a current of 100A must be passed through an appropriate vessel for

If a current carrying coil is mounted on a metal frame, the back e.m.f. induced in the coil causes

To convert an alternating current dynamo into a direct current dynamo, the

An equipment whose power is 1500W and resistance is 375 ohms would draw a current of

Which of the following obeys Ohm's Law?