A microscope is focused on an ink mark on the top of a table. If we place a glass slab of 3 cm thick on it, how should the microscope be moved to focus the ink spot again? The refractive index of glass is 1.5.
a)
2 cm upwards
b)
2 cm downwards
c)
1 cm upwards
d)
1 cm downwards
A microscope is focused on an ink mark on the top of a table. If we place a glass slab of 3 cm thick on it, how should the microscope be moved to focus the ink spot again? The refractive index of glass is 1.5.
a)
2 cm upwards
b)
2 cm downwards
c)
1 cm upwards
d)
1 cm downwards
Question ID - 153001 | SaraNextGen Top Answer
A microscope is focused on an ink mark on the top of a table. If we place a glass slab of 3 cm thick on it, how should the microscope be moved to focus the ink spot again? The refractive index of glass is 1.5.
a)
2 cm upwards
b)
2 cm downwards
c)
1 cm upwards
d)
1 cm downwards
|
A microscope is focused on an ink mark on the top of a table. If we place a glass slab of 3 cm thick on it, how should the microscope be moved to focus the ink spot again? The refractive index of glass is 1.5. |
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a) |
2 cm upwards |
b) |
2 cm downwards |
c) |
1 cm upwards |
d) |
1 cm downwards |
1 Answer
127 votes
Answer Key / Explanation : (c) -
|
(c) Given,
Hence, 3-2 = 1 cm upwards. |
= 1.5, 
= 3
127 votes
Answer Link
127