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 | |
b. | 58 cm | |
c. | 42 cm | |
d. | 48 cm | |
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 | |
|---|---|---|
a. |
| |
b. |
| |
c. |
| |
d. |
| |
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 | |
b. | For shaving | |
c. | Torches, searchlights and vehicles headlights | |
d. | All a. , b. and c. are correct | |
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 | |
b. | Diamond | |
c. | Glass | |
d. | None of the above | |
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 | |
b. | Statements 1 and 2 are incorrect | |
c. | Statements 1 and 2 are correct | |
d. | Only statement 1 is correct | |
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 | |
b. | Statements 1 and 2 are correct | |
c. | Only statement 1 is correct | |
d. | Only statement 2 is correct | |