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AIC SS 2 Physics 3rd C.A for 2nd Term
  • 1. The two types of curved mirror are
A) Concave and convex mirrors
B) Conflict and complex mirror
C) Concrete and cornered mirror
D) Artificial and natural mirror
  • 2. ________ is a line drawn through the pole of the mirror and the center of curvature
A) Principal focus
B) Principal axis
C) Pole
D) Radius of curvature
  • 3. The point at which all rays parallel and close to the principal axis converge at after reflection is called________
A) Center of curvature
B) Principal focus
C) Pole
D) Principal axis
  • 4. ____________ can be define as the ratio of the image distance to the object distance.
A) Object distance
B) Image height
C) Image distance
D) Magnification
  • 5. Which of these is not true when object is located beyond C?
A) The image formed is real
B) The image formed is same size as object
C) The image formed is diminished
D) The image formed is inverted
  • 6. A constant used to express the nature of medium through which light Ray is propagated is ___________
A) Reflection
B) Magnification
C) Refraction
D) Refractive index
  • 7. The two types of prism are
A) Linear and circular prism
B) Longitudinal and transverse prism
C) Concave and convex prism
D) Rectangular and triangular prism
  • 8. __________ is an unpleasant sound produced at different frequencies.
A) Beat
B) Noise
C) Echo
D) Tone
  • 9. The velocity of sound can be measured using the following methods except
A) Echo method
B) Wave method
C) Resonance tune method
D) Stationary method
  • 10. Which of these is not a characteristics of sound waves?
A) Tone
B) Loudness
C) Pitch
D) Ripple
  • 11. _________ is the sensation which is determined by the intensity of the sound and by the sensitivity of the observer's ear.
A) Tone
B) Loudness
C) Pitch
D) Ripple
  • 12. Which of these is wrong about light wave?
A) It has long wave length
B) It is transverse
C) It has short wave length
D) It can travel through a vacuum
  • 13. The inner most layer of the eye is
A) None of the above
B) Retina
C) Schroid
D) Choroid
  • 14. Which of these is the similarity between the human eye and the camera?
A) They have fixed focal length
B) They are mechanically operated
C) They work naturally
D) They work on the process of refraction
  • 15. Wave that do not require or need a material medium for their propagation but travel successfully in a free space is called
A) Sound wave
B) Electromagmetic wave
C) Light wave
D) Logic wave
  • 16. _____________ has a longer wavelength and produce sensation of heat
A) Infrared radiation
B) X-ray
C) Visible light
D) Radio wave
  • 17. The Spectra of the highest frequency but of the shortest wavelength is ______________
A) Alpha ray
B) Gamma ray
C) Radio wave
D) Beta ray
  • 18. A circuit is said to be ____________ if the source of electricity is is not connected to the any external conductor.
A) Open
B) Long
C) Closed
D) Short
  • 19. __________ is the potential difference between two points in a given electric circuit.
A) Voltage
B) Current
C) Resonance
D) Resistance
  • 20. Lines of force are also called ________
A) Electric flux
B) Electric line
C) Electric pole
D) Electric circuit
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