Physics Past Questions

Updated description

2,483 questions JAMB 2483 WAEC 1904 NECO 322 CUSTOM 10
Download PHP app Ask a Question Check Syllabus Past Question Videos Topic Video Lessons

Take a test

Past Questions

2,483 questions
Question 1 of 20 2,483 total questions
Question 1121
jamb 1983

Which of the following statements is true about liquid pressure is NOT correct? The pressure

Aat a point in a liquid is proportional to the depth
Bat any point in a liquid is the same at the same level
Cis exerted equally in all directions at any point
Dof a liquid at any point on the wall of its container acts in a direction perpendicular to the wall
Eat a particular depth depends on the shape of the vessel
View Explanation & Discuss
Question 1122
jamb 1983

If relative density of a metal is 19, what will be the mass of 20cm3 of the metal when immersed in water?

A380g
B400g
C360g
D39g
E180g
View Explanation & Discuss
Question 1123
jamb 1983

The refractive index of liquid is 1.5. If the velocity of light in vacuum is 3.0 x 108ms-1, the velocity of light in the liquid is

A1.5 x 108m-1
B2.0 x 108m-1
C3.0 x 108m-1
D4.5 x 108m-1
E9.0 x 108m-1
View Explanation & Discuss
Question 1124
jamb 1983

The force with which an object is attracted to the earth is called its

Aacceleration
Bmass
Cgravity
Dimpulse
Eweight
View Explanation & Discuss
Question 1125
jamb 1983

Which of the following statements about friction is NOT correct?

AThe force of kinetic friction is less than the force of static friction
BThe force of kinetic friction between two surfaces is independent of the areas in contact provided the normal reaction is unchanged
CThe force of rolling friction between two surfaces is less than the force of sliding friction
DThe angle of friction is the angle between the normal reaction and the force of friction
EFriction may be reduced by lubrication
View Explanation & Discuss
Question 1126
jamb 1983
Which of the following is NOT a vector quantity?
AForce
BAltitude
Cweight
DDisplacement
EAcceleration
View Explanation & Discuss
Question 1127
jamb 1983

In a resonance tube experiment, a tube fixed length is closed at one end and several tuning forks of increasing frequency used to obtain resonance at the open end. If the tuning fork with the lowest frequency which gave resonance had a frequency f1 and the next tuning fork to give resonance had a frequency f2, find the ratio \(\frac{f^2}{f^1}\).

A8
B3
C2
D\(\frac{1}{2}\)
E\(\frac{1}{3}\)
View Explanation & Discuss
Question 1128
jamb 1982

a body of mass 10kg on a smooth inclined plane is connected to a smooth pulley to a mass of 15kg as shown above, the acceleration of the system is

A\(\frac{1}{4}\)g
B\(\frac{8}{25}\)g
C\(\frac{1}{2}\)g
D\(\frac{2}{5}\)g
E\(\frac{3}{4}\)g
View Explanation & Discuss
Question 1129
jamb 1982
Two mirrors of the same length are arranged as shown above, a ray of light NO strikes the system at O and emerges along PQ. The emergent ray has been deviated through
A220 degrees
B200 degrees
C210 degrees
D180 degrees
E230 degrees
View Explanation & Discuss
Question 1130
jamb 1982

The value of the series resistor required to convert the above galvanometer into a voltmeter with a full range deflection of 15V is

A985 ohms
B990 ohms
C995 ohms
D1000 ohms
E1005 ohms
View Explanation & Discuss
Question 1131
jamb 1982

A Uniform beam PQ of mass 20kg and length 5m is balanced as shown above, a man of weight 800N stands at M such that QM = 2m. The reaction at P and Q respectively are(take g = 10ms-2)

A300N and 500N
B420N and 580N
C220N and 380N
D580N and 420N
E382N and 220N
View Explanation & Discuss
Question 1132
jamb 1982

A body is acted upon by forces applied at points P and Q as shown above their resultant is equal to

A2√5N in adirection N 56◦ E
B2√5N in adirection N 56◦ W
C2√13N in adirection N 56◦ E
D2√13N in adirection N 56◦ W
E√10N in adirection N 56◦ E
View Explanation & Discuss
Question 1133
jamb 1982

what is the resultant resistance in the circuit given above

A11Ω
B8Ω
C4Ω
D3.6Ω
E4.3Ω
View Explanation & Discuss
Question 1134
jamb 1982

what is the resultant capacity of the circuit

A1.5µF
B18.0µF
C6.0µF
D6.8µF
E8.83µF
View Explanation & Discuss
Question 1135
jamb 1982

the arrow represents an object in front of a convex mirror whose focal points are X and Y. The image formed is

Abetween X and P
BBetween P and Y
CBetween Y and Z
DOutside W
EOutside Z
View Explanation & Discuss
Question 1136
jamb 1982

in the image above, an incident ray XY makes an angle of 15\( ^{\circ} \) with a fixed line AY, which is normal to surface of a plane mirror if the mirror is turned as indicated by the arrow through \( 40^{\circ} \), what angle will the reflected ray make with AY

A\( 25^{\circ} \)
B\( 40^{\circ} \)
C\( 15^{\circ} \)
D\( 55^{\circ} \)
E\( 95^{\circ} \)
View Explanation & Discuss
Question 1137
jamb 1982

The water manometer above is measuring the pressure of gas supply. if the specific gravity of mercury is 13.6 and the atmospheric pressure is 70cm of mercury what is the total pressure of the gas supply in cm of water

A67cm
B73cm
C949cm
D952cm
E955cm
View Explanation & Discuss
Question 1138
jamb 1982
Two taxis leave benin and agbor some 80km apart at 1200hr as shown above. from the distance time graph shown the distance of their meeting point P, from Benin and the time of their meeting are
A27km, 1218hr
B29km, 1315hr
C40km, 1418hr
D53km, 1436hr
E60km, 1500hr
View Explanation & Discuss
Question 1139
jamb 1982

In a radioactive series

\( ^{235} _{92}L \to ^{235} _{92}M \to ^{231} _{90}N \to ^{231} _{91}\phi \)

The particles emitted are respectively

A\( \beta , \beta , \alpha \)
B\( \alpha , \gamma , \beta \)
C\( \gamma , \alpha , \beta \)
D\( \alpha , \alpha , \beta \)
E\( \beta , \alpha , \beta \)
View Explanation & Discuss
Question 1140
jamb 1982
A 10g mass placed on the pan of a spring balance causes an extension of 5cm. If a 15g mass is placed on the pan of the same spring balance, the extension is
A3.3cm
B6.5cm
C7.5cm
D10.8cm
E15.0cm
View Explanation & Discuss
Question Navigator
Current
MathsFaculty