150+ Physics General Knowledge Questions: Page – 2

Q021) __________ is an aperture which controls light passage in the eye:
A) Sclerotic Coat
B) Pupil
C) Iris
D) Blind Spot

Answer: C

Q022) Rad/sec is the unit of:
A) Angular Displacement
B) Angular Velocity
C) Angular Acceleration
D) None of These

Answer: B

Q023) 1 Micron is equal to:
A) 100 mm
B) 1000 mm
C) 0.01 mm
D) 0.001 mm

Answer: C

Q024) Which of the following is an auxiliary unit:
A) Radian
B) Steradian
C) Ampere
D) Both A and B

Answer: D

Q025) _____ is used to examine the internal parts of our body:
A) Microscope
B) Periscope
C) Odometer
D) Endoscope

Answer: D

Q026) Which instrument is used to measure the height or elevation:
A) Micrometre
B) Telemeter
C) Hypsometer
D) Tonometer

Answer: C

Q027) To measure the strength of direct current _____ is used:
A) Tachometer
B) Spectrometer
C) Voltmeter
D) Tangent Galvanometer

Answer: D

Q028) Find out the true statements regarding thermal conductivity:
A) Steel>Wood>Water
B) Steel>Water>Plastic
C) Water>Wood>Steel
D) Water>Steel>Plastic

Answer: B

Q029) As the temperature increases, the thermal conductivity of the solid metal ______:
A) Increases
B) Decreases
C) Remains Same
D) None of These

Answer: B

Q030) _____ is the external energy applied on a body to change its state of rest or uniform motion:
A) Force
B) Pressure
C) Buoyancy
D) Impulse

Answer: A

Q031) If a car is running at a speed of 72 km/hr and stops after 45 seconds, then what will be the retardation:
A) 0.3 m/s²
B) 0.25 m/s²
C) 0.44 m/s²
D) 3 m/s²

Answer: C

Q032) Surface tension depends on:
A) Atmospheric Pressure
B) Nature of the Liquid
C) Temperature of the Liquid
D) All of These

Answer: D

Q033) The matric system is also called:
A) CGS
B) MKS System
C) SI
D) None of These

Answer: B

Q034) Plane angle and solid angle are:
A) Fundamental Quantity
B) Derived Quantity
C) Supplementary Quantity
D) None oy These

Answer: C

Q035) Which one of the following is not a secondary pigment:
A) Green
B) Red
C) Blue
D) Yellow

Answer: D

Q036) When you look at a mirror, the image you see in the mirror is a __________ image:
A) Virtual
B) Real
C) Reflected
D) Plain

Answer: A

Q037) What type of spectrum is the rainbow:
A) Natural Spectrum
B) Artificial Spectrum
C) Both A and B
D) None of These

Answer: A

Q038) Which of the following has no units:
A) Thermal Capacity
B) Magnetic Susceptibility
C) Angular Acceleration
D) None of These

Answer: B

Q039) The primary cause of motion is:
A) Velocity
B) Acceleration
C) Force
D) Energy

Answer: C

Q040) Gravitational mass is a _______ quantity:
A) Vector
B) Scalar
C) Tensor quantity
D) None of the above

Answer: A

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