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Physics 2009 JAMB Past Questions

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21

An object is placed 5 cm from the pole of a concave mirror. if the focal length of the mirror is 10 cm. what is the image distance?

  • A. 10 cm in front of the mirror.
  • B. 5 cm in front of the mirror
  • C. 10 cm behind the mirror
  • D. 5 cm behind the mirror
View Answer & Discuss (4) JAMB 2009
22
Calculate the position of an object placed in front of a convex mirror having focal length of 12 cm such that an image is formed 6 cm away from the mirror
  • A. 4. 0 cm
  • B. 3. 0 cm
  • C. 12.0 cm
  • D. 9.0 cm
View Answer & Discuss (9) JAMB 2009
23

If the refractive index of crown glass is 1.51, its critical angle is?

  • A. 48.6°
  • B. 22.5°
  • C. 41.5°
  • D. 45.0°
View Answer & Discuss (10) JAMB 2009
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
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24
When light passes through two media x and y of refraction indices 1.51 and 1.33 respectively, the speed of light in
  • A. x is same as in y
  • B. x and y is same as in vacuum
  • C. x is higher than in y
  • D. y is higher than in x
View Answer & Discuss (3) JAMB 2009
25

The ability of the human eye to focus object on the retina is referred to as the power of?

  • A. interference
  • B. diffraction
  • C. accomodation
  • D. superposition
View Answer & Discuss (14) JAMB 2009
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Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
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