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WorksheetsONLINE ESE DP024 SET A
Total questions: 20
Worksheet time: 10mins
Amplitude reflects the amount of …... in a wave.
energy
mass
speed
light
The highest point on wave is …...
the trough
the crest
the top
the wavelength
The number of wavelengths that pass a point each per second is ……
period
angular frequency
frequency
amplitude
When the frequency of wave increases, what happens to the wavelength?
The wavelength is constant.
The wavelength is increases.
The wavelength is decreases.
The wavelength is unchanged.
Combined capacitance is equal to the ……
sum of all capacitance of capacitors.
product of all the capacitance.
difference between the capacitors.
average between the capacitors.
During charging a capacitor through a resistor …….
the current in the circuit increases linearly with time.
the current in the circuit decreases linearly with time.
the current in the circuit increases exponentially with time.
the current in the circuit decreases exponentially with time.
The current in the conductor ……
R2=R3
R2>R3
R2<R3
R2=R3
The resistance in the two conductor ……
R2=R3
R2>R3
R2<R3
R2=R3
Particles with opposite charges …… and particles with same charges …….
attract, repel
repel, repel
attract, attract
repel, attract
What happens to the strength of a magnetic field as you move away from the magnet?
The strength of the magnetic field increases.
The strength of the magnetic field doesn’t change.
The strength of the magnetic field is doubled.
The strength of the magnetic field decreases.
……… law says that the induced current is proportional to the change of magnetic flux.
Lenz’s
Faraday’s
Ampere’s
Hooke’s
Which of the following factors has no effect on the magnitude of induced e.m.f. in a rotating coil?
magnetic field strength
number of turns
the type of coil wire
angular velocity
The distance from center of mirror, C to the pole of mirror is given as ……
r
v
f
u
An image that is formed at the back of the mirror is said to be …….
real image.
virtual image.
inverted image.
magnified image.
Which statement is TRUE about concave lens?
Image formed is virtual and diminished.
Image formed is real and diminished.
Image formed is virtual and magnified.
Image formed is real and magnified.
The object is beyond C (2F).
Image is real, smaller and upright.
Image is real, magnified and inverted.
Image is real, smaller and inverted.
Image is real, magnified and upright.
Two light sources are said to be coherent if they ……
are of the same frequency and maintain a constant phase difference.
are of the same amplitude and maintain a constant phase difference.
are of the constant frequency and same a constant phase difference.
are of the constant amplitude and same constant phase difference.
It is difficult to get clear Young’s double-slit fringes with white light because …...
the frequency of white light is too high.
the wavelength of white light is too low.
the difference colour fringes overlap.
white light is not bright enough.
For greatest amount of diffraction to occur when a wave reaches a barrier, the barrier must be ……
larger than the wavelength.
at least twice the size of the wavelength.
the same size or smaller than the wavelength.
the exact same size as the wavelength.
For Young’s double-slit experiment, the third order bright fringe and the third order dark fringe is equivalent to ……
Bright; m = 3, dark; m = 3
Bright; m = 3, dark; m = 2
Bright; m = 2, dark; m = 2
Bright; m = 2, dark; m = 3
