Physics Past Questions

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2,483 questions JAMB 2483 WAEC 1904 NECO 322 CUSTOM 10
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Past Questions

2,483 questions
Question 1 of 20 2,483 total questions
Question 161
jamb 2022

Which of these is a second-class lever?

Asugar tongs
Bclaw hammer
Cplier
Dwheelbarrow
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Question 162
jamb 2022

Water is not a good thermometric liquid because it?

Aexpands unevenly between 0 ºC and 4 ºC
Bmaintains fixed density
Chas low freezing point
Dwets glass
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Question 163
jamb 2022

A reservoir is filled with liquid of density 2000 kgm\(^{-1}\). Calculate the depth at which the pressure in the liquid will be equal to 9100 Nm\(^{-2}\) (g = 10 ms\(^{-2}\))

A0.262 m
B0.664 m
C0.819 m
D0.455 m
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Question 164
jamb 2022

The potential energy in an elastic string of force constant k, which has an extension X is?

AkX
BKX\(^{2}\)
C½KX\(^{2}\)
D½K
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Question 165
jamb 2022

The vapour pressure?

Aincreases non-linearly with measuring temperature
Bincreases linearly with increasing temperature
Cdecreases linearly with increasing temperature
Ddecreases non-linearly ith measuring temperature
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Question 166
jamb 2022

For a pear-shaped conductor shown above, the concentration of charge on the outside is highest at?

AX
BZ
CY
DK
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Question 167
jamb 2022

A current of 0.5 A flows through a resistor when connected to a 40 V battery. How much energy is dispatched in 2 minutes?

A2400 J
B9600 J
C1500 J
D1200 J
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Question 168
jamb 2022

According to kinetic molecular model in gases,

Athe particles are closely packed together; they occupy minimum space are usually arranged in a regular pattern
Bthe particles vibrate about fixed positions and are held together by the strong intermolecular bonds between them
Cthe molecules are very far apart and occupy all the spaces made available to them
Dthe particles occur in clusters with molecules slightly further apart
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Question 169
jamb 2022

A magnet relay is a device used for?

Areading the magnitude of magnetic flux
Bcontrolling another circuit carrying larger current
Cturning in sports
Dstoring magnetic field
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Question 170
jamb 2022

When the plate area of a capacitor increases?

Athe voltage can withstand increase
Bthe capacitance decreases
Cthe capacitance is unaffected
Dthe capacitance increases
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Question 171
jamb 2022

A tuning fork having a frequency of 312 Hz emits a wave which has a wavelength of 1.10 m. Calculate the velocity of sound

A312.0 ms\(^{-1}\)
B110.0 ms\(^{-1}\)
C343.2 ms\(^{-1}\)
D686.4 ms\(^{-1}\)
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Question 172
jamb 2022

A person standing waist-deep in a swimming pool appears to have short legs because of light?

Adiffraction
Brefraction
Creflection
Dinterference
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Question 173
jamb 2022

The secondary pigments consist of?

Ablue, green, and violet
Byellow, green, and magenta
Cmagenta, yellow, and cyan
Dred, green, and blue
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Question 174
jamb 2022

An isotope has an initial activity of 120 Bq. 6 days later its activity is 15 Bq. The half-life is? 

A3 days
B2 days
C1 day
D4 days
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Question 175
jamb 2022

Which of the following liquid is a poor conductor of electricity?

ADistilled water
BTap water
CSea water
DDrinking water
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Question 176
jamb 2022

A cell whose internal resistance is 0.55\(\Omega\) delivers a current of 4 A to an external resistor. The lost voltage of the cell is?

A4.00 V
B2.20 V
C0.15 V
D8.00 V
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Question 177
jamb 2022

Which of the following is not a consequence of hydrogen bubbles covering the copper plate of a primary cell?

Aformation of hydrogen bubbles on the electrode
Bincrease in the resistance of the cell
Clocal action
Dpolarization
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Question 178
jamb 2022

The relationship between the coefficient of linear expansion \(\alpha\) and volumetric expansion (\(\gamma\)) is-----------------

A\(\gamma\) = \(\alpha ^{-3}\)
B\(\gamma\) = \(\alpha\)
C3\(\alpha\)
D\(\gamma\) = \(\alpha ^{3}\)
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Question 179
jamb 2022

A car starts from rest and covers a distance of 40 m in 10 s. Calculate the magnitude of its acceleration

A3.20 ms\(^{-2}\)
B0.25 ms\(^{-2}\)
C0.80 ms\(^{-2}\)
D4.00 ms\(^{-2}\)
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Question 180
jamb 2022

Tyres are treaded to?

Aincrease weight of tyres
Bincrease friction
Cincrease its longevity
Dlook good
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