EASY
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Write any two characteristics of a shadow? Write one advantage and one disadvantage of a pinhole camera.

Important Questions on Light, Shadows and Reflections

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Science>Physics>Light, Shadows and Reflections>Shadows
What is the role of tracing paper in a pinhole camera?
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A pinhole camera produces a diminished image. 
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What changes will take place in the image formed on the pinhole camera, if the tissue paper screen is moved away from the pinhole?
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The statements given below are incorrect. Write the correct statements.

2. A pinhole camera can take pictures of moving objects.

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Science>Physics>Light, Shadows and Reflections>Shadows
 The solar eclipse is due to the formation of the shadow of the _____ (Sun/Moon) falling on the earth.  
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Science>Physics>Light, Shadows and Reflections>Shadows

A pinhole camera is based on the principle of _____ of light.

(Choose from the following: rectilinear propagation/ reflection)

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Science>Physics>Light, Shadows and Reflections>Shadows

Fill in the blank spaces by choosing correct words from the list given below :

List: translucent, reflection, light, opaque, rectilinear

4. Pinhole camera is based on the principle of _____ propagation of light.

 

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What is a partial eclipse?
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Trees covered with many leaves are the natural _____ (mirrors/pin-holes).
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How will you use pinhole camera to see the solar eclipse? What precaution is necessary in its use? 
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_____ propagation of light is the principle on which a pinhole camera works.
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Draw a diagram to show the formation of the image of a distant tree by a pinhole camera. Give any two properties of the image formed.
 
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 When the moon comes between the Earth and the sun, it causes a solar eclipse.
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A lunar eclipse occurs when the
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Science>Physics>Light, Shadows and Reflections>Shadows
The image in a pinhole camera is _____. (real/ virtual)
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How is the image formed by a plane mirror different from the image formed by a pinhole camera?
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Science>Physics>Light, Shadows and Reflections>Shadows
What is the principle on which a pinhole camera works? 
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What is the principle of pinhole camera? State the three characteristics of the image formed in the pinhole camera.

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Science>Physics>Light, Shadows and Reflections>Shadows
A pinhole camera uses the principle of
MEDIUM
Science>Physics>Light, Shadows and Reflections>Shadows
What is a pinhole camera? What is the nature of the image formed by it?