A lemon kept in a glass of water appears to be bigger than its actual size. This is due to ……….
A) reflection
B) refraction
C) total internal reflection
D) dispersion
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A glass bottle completely filled with water is kept in the freezer. Why does it crack?
Correct answer is (C) Water expands on freezing
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Water droplets form on the outer surface of the glass tumbler filled with cold water due to
B) Condensation
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Refractive index of glass relative to water is 9/8. The refractive index of water relative to glass is …………………
Correct option is D) 8/9
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The refractive index of glass for light going from aif’to glass is 3/2. The refractive index of air for light going from glass to air ………………….
Correct option is C) 4/6
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A diamond shines more than a glass piece cut to the same shape due to………..
Correct option is A) a and b
1 Answers 1 views
Ramu placed a rectangular glass slab over printed letters. The letters appears while ………………. viewing through a glass slab.
B) nearer as its original position
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A person standing on the land appears taller than his actual height to a fish inside a pond
B) Both A and R are true and R is not the correct explanation of A
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In hot summer Revathi gave lemonade to the guests who visited her home. The solute in that solution is/are i) Water ii) Lemon juice
C) (ii), (iii) and (iv)
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The sum of two numbers is 29. If one number is 5 greater than the other, then the bigger number is
Correct option is (C) 17 The smaller number is x. \(\therefore\) other number is x+5. \((\because\) One number is 5 greater than the other) Given that sum of two numbers is 29. \(\therefore\) x + (x+5) = 29 \(\Rightarrow\) 2x...
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