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Light Shadows A...

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  • Question 1
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    Which of the following statements is true?

  • Question 2
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    In which type of reflection do all the incident rays travel in the same direction parallel to one another, and consequently the corresponding reflective angles are also the same?

  • Question 3
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    Which of the following statements is/are false?

    a. A pinhole camera can take pictures of fast moving objects.
    b. Image in the pinhole camera is always inverted.

  • Question 4
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    Which among the following is true for a pinhole camera?

  • Question 5
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    Into which category can a piece of red hot iron be placed?

  • Question 6
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    Which of the following statements is not true?

  • Question 7
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    In a plane mirror, if an object moves by a distance 'x', then what is the distance moved by the image with respect to the object?

  • Question 8
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    Which of the following statements is/are false?

    a. Planets reflect the light of the Sun falling on them.
    b. A non-luminous body can be made a luminous body by cooling it.
    c. Anything through which light energy can pass partially or wholly is called an optical medium.

  • Question 9
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    Match the following:
     

    Objects Property Examples
    (a) Translucent (i) Allows all light to pass through it (x) Frosted glass
    (b) Opaque (ii) Allows some light to pass through it (y) Glass
    (c) Transparent (iii) Allows no light to pass through it (z) Steel glass

  • Question 10
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    A person moves by 1 m towards a plane mirror. By how much distance does his image move towards him?

  • Question 11
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    Which of the following is not a characteristic of a plane mirror?

  • Question 12
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    A solar eclipse occurs when the Moon passes between the ________________.

  • Question 13
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    A lady is standing in front of a plane mirror at a distance of 1 m from it. She walks 60 cm towards the mirror. The distance of her image now from herself (ignoring the thickness of the mirror) is

  • Question 14
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    A pencil of light is incident on a plane mirror and when reflected back, it forms a real image. The pencil of light incident on the plane mirror is

  • Question 15
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    Two plane mirrors are inclined to each other such that a ray of light incident on the first mirror and parallel to the second is reflected from the second mirror parallel to the first mirror. The angle between the two mirrors is

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