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Standard VIII

Physics

Refraction through a Rectangular Glass Slab

Question 20 d...

Question

Question 20 (d)

Boojho planned an activity to observe an object A through pipes as shown in the figure, so that he could see objects which he could not directly see.

Indicate the direction of rays in the figure.

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Solution

Direction of rays is shown in the figure.

To get a complete picture of light direction Boojho's activity the following figure can be used.

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Question 20 (a)

Boojho planned an activity to observe an object A through pipes as shown in figure, so that he could see objects which he could not directly see.

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Question 20 (b)

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Question 20 (c)

Boojho planned an activity to observe an object A through pipes as shown in figure, so that he could see objects which he could not directly see.

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Question 20 (e)

Boojho planned an activity to observe an object A through pipes as shown in figure, so that he could see objects which he could not directly see. At each corner a plane mirror is placed at 45 degrees in order to deviate the light rays by 90 degrees.

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Question 18

Boojho kept a magnet close to an ordinary iron bar. He observed that the iron bar attracts a pin as shown in the figure.

What inference could he draw from this observation? Explain.

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Refraction through a Rectangular Glass Slab

Standard VIII Physics

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Question 20 (d) Boojho planned an activity to observe an object A through pipes as shown in the figure, so that he could see objects which he could not directly see. Indicate the direction of rays in the figure.

Direction of rays is shown in the figure. To get a complete picture of light direction Boojho's activity the following figure can be used.

Question 20 (d)

Boojho planned an activity to observe an object A through pipes as shown in the figure, so that he could see objects which he could not directly see.

Indicate the direction of rays in the figure.

Direction of rays is shown in the figure.

To get a complete picture of light direction Boojho's activity the following figure can be used.