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Physics
Heat transfer through direct contact is called
A
0°C
B
10°C
C
32°C
D
100°C
Correct Answer
A
Physics
The unit of frequency is:
A
Joule
B
Decibel
C
Tesla
D
Hertz
Correct Answer
D
Physics
A convex lens is also called a:
A
Diverging lens
B
Converging lens
C
Plane lens
D
Cylindrical lens
Correct Answer
B
Physics
Which mirror is commonly used as a rear-view mirror in vehicles?
A
Plane
B
Concave
C
Convex
D
Parabolic
Correct Answer
C
Physics
The splitting of white light into its component colors is called:
A
Reflection
B
Refraction
C
Dispersion
D
Diffraction
Correct Answer
C
Physics
Which color has the longest wavelength in visible light
A
Violet
B
Blue
C
Green
D
Red
Correct Answer
D
Physics
The SI unit of pressure is:
A
Pascal
B
Newton
C
Watt
D
Joule
Correct Answer
A
Physics
Atmospheric pressure is measured by
A
Hygrometer
B
Barometer
C
Ammeter
D
Calorimeter
Correct Answer
B
Physics
Heat transfer through direct contact is called
A
0°C
B
10°C
C
32°C
D
100°C
Correct Answer
A
Physics
Which particle has a negative charge?
A
Proton
B
Neutron
C
Electron
D
Positron
Correct Answer
C