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