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For a person sitting near a fire, why th...

For a person sitting near a fire, why the objects like trees and houses on the other side of the fire appear shifting?

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To understand why objects like trees and houses appear to shift for a person sitting near a fire, we need to consider the concept of refraction of light and how temperature affects the air around the fire. ### Step-by-Step Solution: 1. **Understanding the Situation**: - A person is sitting near a fire, and there are trees and houses on the other side of the fire. 2. **Effect of Heat on Air**: ...
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Eight persons A, B, C, D, E, F, G and H are sitting around a rectangular table in such a way that two persons sit on each of the four sides of the table, facing the centre. Persons sitting on opposite sides are exactly opposite to each other. D faces North and sits exactly opposite H. E is in the immediate left of H. A and G sit on the same side. G is exactly opposite of B, who is on the immediate right of C. A is to the immediate left of D. Which of the following pairs of persons has both the persons sitting on the same side with the first person sitting on the right of the second person? 1) DF 2) CB 3) FC 4) AG 5) None of these

Direction: Read the following information carefully and answer the questions that are given below. There are eight persons namely A, B, C, D, E, F, G and H sitting around a square table. Four persons are sitting on the corner of the square table and are facing inside, and four persons are sitting on the edge of the square table and are facing outside. No two consecutive alphabets are sitting next to each other, for example A is not sitting next to B, B is not sitting next to A and C and so on. B and D are sitting opposite to each other. H sits third to the left of C. A sits on one of the corners. B does not sit on the edge of the square table. A and H are to the immediate right of each other. H is not near to B. E and G are sitting opposite to each other. How many persons are sitting between D and F when counted from the left of D?

Direction: Read the following information carefully and answer the questions that are given below. There are eight persons namely A, B, C, D, E, F, G and H sitting around a square table. Four persons are sitting on the corner of the square table and are facing inside, and four persons are sitting on the edge of the square table and are facing outside. No two consecutive alphabets are sitting next to each other, for example A is not sitting next to B, B is not sitting next to A and C and so on. B and D are sitting opposite to each other. H sits third to the left of C. A sits on one of the corners. B does not sit on the edge of the square table. A and H are to the immediate right of each other. H is not near to B. E and G are sitting opposite to each other. How many persons are sitting between F and A when counted from the left of F?

Direction: Read the following information carefully and answer the questions that are given below. There are eight persons namely A, B, C, D, E, F, G and H sitting around a square table. Four persons are sitting on the corner of the square table and are facing inside, and four persons are sitting on the edge of the square table and are facing outside. No two consecutive alphabets are sitting next to each other, for example A is not sitting next to B, B is not sitting next to A and C and so on. B and D are sitting opposite to each other. H sits third to the left of C. A sits on one of the corners. B does not sit on the edge of the square table. A and H are to the immediate right of each other. H is not near to B. E and G are sitting opposite to each other. Who is sitting second to the left of G?

Direction: Read the following information carefully and answer the questions that are given below. There are eight persons namely A, B, C, D, E, F, G and H sitting around a square table. Four persons are sitting on the corner of the square table and are facing inside, and four persons are sitting on the edge of the square table and are facing outside. No two consecutive alphabets are sitting next to each other, for example A is not sitting next to B, B is not sitting next to A and C and so on. B and D are sitting opposite to each other. H sits third to the left of C. A sits on one of the corners. B does not sit on the edge of the square table. A and H are to the immediate right of each other. H is not near to B. E and G are sitting opposite to each other. Who is sitting immediately to the right of B?

Direction: Read the following information carefully and answer the questions that are given below. There are eight persons namely A, B, C, D, E, F, G and H sitting around a square table. Four persons are sitting on the corner of the square table and are facing inside, and four persons are sitting on the edge of the square table and are facing outside. No two consecutive alphabets are sitting next to each other, for example A is not sitting next to B, B is not sitting next to A and C and so on. B and D are sitting opposite to each other. H sits third to the left of C. A sits on one of the corners. B does not sit on the edge of the square table. A and H are to the immediate right of each other. H is not near to B. E and G are sitting opposite to each other. Who is sitting opposite to H?

When a person is standing on earth, the treesand houses appera stationary to mim. However, when he is sitting in a running train all these obects appear to move in bakward direction. Why?

Directions: Study the following information and answer the given questions: Ten friends A, B, C, D, E, P, Q, R, S, and T went for boating after the end of their mid-semester exams. They were travelling together in a single boat. Five persons were sitting on side X of the boat and the remaining five persons were sitting on side Y of the boat. Side X is on the west of side Y. The persons sitting on side X were facing the North and the persons sitting on side Y were facing the South. These persons were sitting one behind the other with equal distance between them on their respective sides. A person sitting on side X was at the right of a person sitting on side Y. Similarly, a person sitting on side Y was at the right of a person sitting on side X Only P is sitting between A and B who is facing the South. B is not sitting at the right of C. The three people sitting behind B are facing the South. There are 3 people sitting between E and D who is sitting at the right of R. R is not sitting on side X. There is at least one person sitting between T and A who is sitting at the right of S. Who among the following is/are sitting on side X of the boat

Directions: Study the following information and answer the given questions: Ten friends A, B, C, D, E, P, Q, R, S, and T went for boating after the end of their mid-semester exams. They were travelling together in a single boat. Five persons were sitting on side X of the boat and the remaining five persons were sitting on side Y of the boat. Side X is on the west of side Y. The persons sitting on side X were facing the North and the persons sitting on side Y were facing the South. These persons were sitting one behind the other with equal distance between them on their respective sides. A person sitting on side X was at the right of a person sitting on side Y. Similarly, a person sitting on side Y was at the right of a person sitting on side X Only P is sitting between A and B who is facing the South. B is not sitting at the right of C. The three people sitting behind B are facing the South. There are 3 people sitting between E and D who is sitting at the right of R. R is not sitting on side X. There is at least one person sitting between T and A who is sitting at the right of S. Who among the following is sitting at the right of C?

PEARSON IIT JEE FOUNDATION-LIGHT-Concept Application (Level 2)
  1. A convex mirror and a plane mirror are arranged facing an object as sh...

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  2. If a plane mirror shifts through a distance of 5 cm towards an object ...

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  3. In the given figure below, AB is the object and CD is its image. If a ...

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  4. Two convex lenses, of focal lengths 20 cm and 10 cm, respectively are ...

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  5. Are all animals equally sensitive to same intensity of light? Explain.

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  6. A jar contains two immiscible liquids A and B with a coin at its botto...

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  7. For a person sitting near a fire, why the objects like trees and house...

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  8. An object is placed in front of a concave mirror and it produces a rea...

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  9. A man places a rectangular glass slab of thickness 9 cm on a newspaper...

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  10. A source of light and screen are separated by a distance of 50 cm. A s...

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  11. Does an air bubble inside a water behave like a lens? If so, what type...

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  12. Two plane mirrors are inclined at an angle of 50^@. A ray is incident...

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  13. Two plane mirrors AB and CD each of length 2 m are arranged parallel t...

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  14. A concave mirror and a plane mirror are arranged facing each other and...

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  15. In the figure given below, OB is the object and IG is the image formed...

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  16. If the mirror moves away from the object with speed v units, then find...

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  17. Mahesh wanted to know whether the decrease in the number of images of ...

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  18. Siddharth wanted to see his inverted image in a plane mirror. So, he s...

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  19. A concave mirror of focal length 'f' forms an erect image twice the si...

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  20. Srikar focussed separately on two objects of different sizes using a p...

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