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Question

In the given English alphabets H, I, B and C, which of them produces the same mirror image?

The correct answer is

I and H only

Understanding Mirror Images of English Alphabets

When we look at an object in a plane mirror, the mirror image appears flipped horizontally. For English alphabets, a mirror image is created by reflecting the letter across a vertical line.

The question asks which of the given English alphabets (H, I, B, and C) produce the same image when reflected in a mirror. This means we are looking for letters that have vertical symmetry.

Analyzing Each Alphabet's Mirror Image

Let's examine the mirror image for each letter provided:

  • H: When reflected in a mirror, the letter H looks exactly the same as the original letter. This is because H is symmetrical about a vertical line through its center.
  • I: When reflected in a mirror, the letter I also looks exactly the same as the original letter. Like H, I is symmetrical about a vertical line through its center.
  • B: When reflected in a mirror, the letter B does not look the same. It appears reversed, like a backward 'B' or a '3'. B does not have vertical symmetry.
  • C: When reflected in a mirror, the letter C does not look the same. It appears reversed, like a backward 'C'. C does not have vertical symmetry.

Identifying Alphabets with Same Mirror Image

Based on our analysis, the letters that produce the same image when reflected in a mirror are those with vertical symmetry. Among the given letters H, I, B, and C, only H and I remain unchanged in their mirror images.

Therefore, H and I are the alphabets that produce the same mirror image as the original letter.

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Important Questions from Optics

  1. Which one of the following colours may be obtained by combining green and red colours?

  2. Which of the following are the primary colours of light?

  3. Directions: The following items consist of two statements, Statement I and Statement II. You are to examine these two statements carefully and select the answers to these items using the code given below:

    Statement I:  Diamond is very bright.

    Statement II: Diamond has very low refractive index

  4. A non-SI unit called 'nit' is the unit of which of the following photometric quantities used to measure a multitude of light intensity?

  5. Which among the following is used as a reflector in search lights?

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