Question Library — KalmiPrep by Kalmitech

Physics UTME / JAMB 1985 Heat Energy & Temperature

Water shows anomalous behaviour.

A

below 0oC

B

between 0oC and 4oC

C

at exactly 4oC

D

between 4oC and 100oC

E

above 100oC

medium Difficulty

Physics UTME / JAMB 1985 Heat Energy & Temperature

Which of the following phenomena CANNOT be explained by the molecular theory of matter?

A

Expansion

B

Conduction

C

Convection

D

Radiation

E

Evaporation

medium Difficulty

Physics UTME / JAMB 1985 Heat Energy & Temperature

Which of the following methods CANNOT be used to produce a steel magnet? The

A

passing of an electric current through a solenoid

B

repeated stroking of the specimen with a magnet

C

repeated stroking of the specimen in opposite directions with magnets

D

heating of the specimen

E

hammering of the specimen in the earth's magnetic field

medium Difficulty

Physics UTME / JAMB 1985 Heat Energy & Temperature

Which of the following will convert a milliammeter to a voltmeter?

A

low series resistance

B

low parallel resistance

C

high series resistance

D

high parallel resistance

E

parallel resistance equal to milliammeter resistance

medium Difficulty

Physics UTME / JAMB 1985 Heat Energy & Temperature

Which of the following statements is NOT correct?

A

The average range of distinct vision for a normal eye is from the far distance (infinity) up to about 25cm in front of the eye

B

Longsighted people have difficulty in making the eye lense sufficiently powerful to focus on nearby objects

C

Shortsighted people cannot accommodate distant objects

D

Longsighted people need diverging spectacle lenses

E

A person with long sight has his eye-ball too short and the image of an object is therefore formed behind the retina

medium Difficulty

Physics UTME / JAMB 1985 Heat Energy & Temperature

Which of the following statements about electrolysis is NOT correct?

A

The substances in solution in the electrolyte become ionized

B

Ions are electrically charged and are attracted towards electrodes when a potential difference is applied

C

Ions may be discharged at the electrodes, forming bubbles or deposits

D

The mass deposited depends upon the length of time for which current flows

E

The mass of gas set free or metal deposited is proportional to the square of the current

medium Difficulty

Physics UTME / JAMB 1985 Heat Energy & Temperature

A metal cube of volume 103mm3 is lowered into a measuring cylinder containing water. If the internal cross-sectional area of the cylinder is 1.5 x 102mm2, by how much does the water level rise in the cylinder?

A

6.67 x 100mm

B

8.50 x 102mm

C

1.15 x 103mm

D

2.50 x 103mm

E

1.50 x 105mm

medium Difficulty

Physics UTME / JAMB 1985 Heat Energy & Temperature

In the Fig above, MN is a light uniform meter rule pivoted at O, the 80cm mark. A load of mass 3.00kg is suspended on the meter rule at L, the 10cm mark. If the rule is kept in equilibrium by a string RP, fixed at P and attached to the rule at R, the 20cm mark, then the Tension T on the string is?

A

3.0N

B

3.4N

C

3.5N

D

6.0N

E

7.0N

medium Difficulty

Physics UTME / JAMB 1984 Heat Energy & Temperature

For correcting long sight defects in the human eye we require a

A

converging lens

B

diverging lens

C

microscope

D

periscope

E

plain glass sheet

medium Difficulty

Physics UTME / JAMB 1984 Heat Energy & Temperature

Which of the following components is NOT contained in a dry cell? A

A

carbon rod

B

paste of magnesium dioxide

C

paste of ammonium chloride

D

zinc case

E

copper rod

medium Difficulty

Physics UTME / JAMB 1984 Heat Energy & Temperature

Which of the following can be described as high tension transmission?

A

high resistance and low voltage

B

low current and high voltage

C

high current and low voltage

D

high voltage and zero current

E

high current and low resistance

medium Difficulty

Physics UTME / JAMB 1984 Heat Energy & Temperature

When vibration occurs in air column, the distance between a node and an antinode is equal to

A

one-quarter of the wavelength

B

one-hall of the wavelength

C

the wave length

D

twice the wavelength

E

four-times the wavelength

medium Difficulty

Physics UTME / JAMB 1984 Heat Energy & Temperature

If a solid changes directly into a gas when heat is applied the process is called

A

vaporization

B

evaporation

C

sublimation

D

ionization

E

conversion

medium Difficulty

Physics UTME / JAMB 1984 Heat Energy & Temperature

A coin is placed at the bottom of a cube of glass t cm thick. If the refractive index of the glass is \(\mu\), how high does the coin appear to be raised to an observer looking perpendicularly into the glass?

A

\(\frac{1}{t - \mu}\)

B

\(\frac{t(\mu - I)}{\mu}\)

C

t (1 + \(\frac{1}{\mu}\))

D

-\(\mu\)

E

\(\mu\)t

medium Difficulty

Physics UTME / JAMB 1984 Heat Energy & Temperature

Which of the following is a correct explanation of the inertia of a body?

A

ability to overcome the earth's gravity

B

reluctance to stop moving

C

readiness to start moving

D

reluctance to start moving and its readiness to stop moving once it has begun to move

E

reluctance to start moving its reluctance to stop moving once it has begun to move

medium Difficulty