The angle of deviation of light of various colours passing through a triangular prism increases in the order?
A. red → green → blue B. green → violet → blue C. blue → red → green D. blue → green → red Correct Answer: Option A – red → green → blue
If the linear magnification of the objective and eyepiece convex lenses of a compound microscope are 4 and 7 respectively. Calculate the angular magnification of the microscope?
A. 2 B. 3 C. 11 D. 28 Correct Answer: Option D – 28 Explanation M = M1 x M2 = 4 x 7 = 28
Total internal reflection will not occur when light travels from?
A. water to air B. water into glass C. glass to air D. glass into water Correct Answer: Option B – water into glass Glass is denser than water because speed of light in glass is less than that of water. Some typical refractive indices for yellow light...
A ray of light passing through the centre of curvature of a concave mirror is reflected by the mirror at?
A. 0° B. 45° C. 90° D. 180° Correct Answer: Option A – 0°
A man 1.5m tall is standing 3m in front of a pinhole camera whose distance between the hole and the screen is 0.1m. What is the height of the image of the man on the screen?
A. 0.05m B. 0.15m C. 0.30m D. 1.00m Correct Answer: Option A – 0.05m Explanation hi=(ho×V)/u hi=(1.5×0.1)/3 = 0.05mProducts
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Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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Co-Ownership Structures and Land Acquisition Methods in Nigeria
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Rights in Community Land and Fundamental Land Concepts in Nigeria
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Customary Land Control and the Origins of Nigeria's Land Use Act
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Land Ownership Principles and Transaction Laws in Nigeria
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