Light - Reflection and Refraction (NSO Level 1- Science Olympiad (SOF) Class 10): Questions 1 - 6 of 62
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Passage
Directional: Read the passage carefully and the answer the below two question
An object is placed at a distance of in front of a concave mirror. It forms a real image four times larger than object.
Question number: 1 (1 of 2 Based on Passage) Show Passage
» Light - Reflection and Refraction
Question
What is distance of the image from the mirror?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 40 cm |
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| b. | 58 cm |
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| c. | 42 cm |
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| d. | 48 cm |
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Question number: 2 (2 of 2 Based on Passage) Show Passage
» Light - Reflection and Refraction
Question
Which is a formula use for Magnification?
Choices
| Choice (4) | Response | |
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| a. |
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| b. |
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| c. |
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| d. |
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Question number: 3
» Light - Reflection and Refraction
Question
Choose correct one? Use of concave mirror is seen in
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Solar furnaces |
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| b. | For shaving |
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| c. | Torches, searchlights and vehicles headlights |
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| d. | All a. , b. and c. are correct |
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Question number: 4
» Light - Reflection and Refraction
Question
If the absolute refractive indices of water, glass and diamond are 1.33,1.50 and 2.42, respectively, then which medium is optically densest?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Water |
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| b. | Diamond |
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| c. | Glass |
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| d. | None of the above |
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Question number: 5
» Light - Reflection and Refraction
Question
Read the given statement and mark the correct option.
Statement 1: Convex mirror in object and image is perpendicular to the mirror
Statement 2: Convex mirror has used in security mirror and side view mirrors in cars
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Only statement 2 is correct |
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| b. | Statements 1 and 2 are incorrect |
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| c. | Statements 1 and 2 are correct |
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| d. | Only statement 1 is correct |
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Question number: 6
» Light - Reflection and Refraction
Question
Read the given statement and mark the correct option.
Statement 1: Image formed by plane mirror is real, upright, and smaller than object
Statement 2: Uses of plane mirror in telescope
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Statements 1 and 2 are incorrect |
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| b. | Statements 1 and 2 are correct |
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| c. | Only statement 1 is correct |
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| d. | Only statement 2 is correct |
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