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Two concave mirrors have from an image o...

Two concave mirrors have from an image of the sun on a screen. For which image formation will the temperature of the screen become higher?

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image formed by mirror with larger aperture
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Two concave mirrors have same aperture but different focal lenghts. Both form image of the sun on a screen. For which image formation will the tempertaure of the screen be higher ?

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A concave mirror of focal length 15 cm forms an image twice the size of the object. If the image is virtual, the distance of object is

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Can we cast the image formed by a convex mirror on a screen?

An object is placed just at the middle point between concave mirror of radius of curvature 40 cm and a convex mirror of radius of curvature 30 cm facing each other. The mirrors are situated 50 cm apart from each other. The mirrors are situated 50 cm apart from each other. Considering the first reflection occurs in the concave mirror, determine the position and nature of the image formed by this mirror. Next find the position and nature of the image formed by the convex mirror considering the first image for concave mirror as its object.

CHHAYA PUBLICATION-REFLECTION OF LIGHT-VERY SHORT ANSWER TYPE QUESTION
  1. A plane mirror can form a real image of a object [Fill in blanks].

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  2. The focus of which spherical mirror is virtual ?

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  3. Two concave mirrors have from an image of the sun on a screen. For whi...

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  4. The secondary focus of a concave mirror is a fixed point. Is this stat...

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  5. The principal focus of a concave mirror is a fixed point. Is this sta...

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  6. Two concave mirrors have same aperture but different focal lenghts. Bo...

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  7. The radius of curvature of a concave mirror is 30 cm. What is its foca...

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  8. Which spherical mirror is called a divergent mirror-concave or convex?

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  9. The focal leght of a spherical mirror is 40 cm. What is its radius of ...

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  10. What is the value of focal leght of a plane mirror?

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  11. What is the power of a plane mirror?

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  12. What is the relation between radius of curvature ( r ) and focal leng...

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  13. Does the size of mirror affect the nature of the image ?

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  14. The focal length of a concave mirror is equal for all colours of light...

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  15. What type of mirror is to be used for getting parallel rays from a sma...

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  16. What will happen to the focal length of concave mirror when it is imm...

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  17. Where should an object be placed in front of a concave mirror to get a...

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  18. Why do we sometimes use a concave mirror instead of a plane mirror as ...

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  19. What is the magnification of the image of an object placed at the cen...

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  20. What is the magnification of an object placed at the focus of a concav...

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