General Science

Sound Waves
A drum makes sound of
high frequency
low amplitude
high pitch
low pitch
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Heat Transfer
Waves that pass through the glass walls of greenhouse are in the form of
gamma rays
x-rays
infrared waves
radio waves
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Electric Circuits and Currents
Power is measured in
Joules (J)
Pascal’s (Pa)
Watts (W)
Ohms (Omega)
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Electric Circuits and Currents
The magnetic compass was invented during Han dynasty in China, in
602 BC
206 BC
216 BC
612 BC
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Physical and Chemical Changes
Long chain of atom is linked by
hydrogen
oxygen
nitrogen
carbon
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Dispersion of Light
Thin flexible glass rods to transfer data from one region to another are known as
glass cables
reflection fibers
optical fibers
copper fibers
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Electric Circuits and Currents
An example of insulator is
silver
potassium
PVC
titanium
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Electric Circuits and Currents
As electrons pass through a bulb, they use
energy
charge
power
resistance
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Investigating Space
The gravity of a black hole is so high, even light cannot escape
escape
trap
control
all of above
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Dispersion of Light
The color blindness occurs due to
lack of rods
problem in rods
problem in cones
variation in cones
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