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LAKHMIR SINGH & MANJIT KAUR-LIGHT-EXERCISEE
- A concave lens always forms a virtual image. True/False
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- State whether the following statements are true or false : White lig...
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- What type of mirror is the : back-side surface of a shining steel s...
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- What type of mirror is the : inside-surface of a shining steel spoo...
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- Which mirror is used : as a shaving minor ?
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- Which mirror is used : as a rear-view mirror in vehicles ?
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- What is the shape of the 'dish' of a dish antenna used for receiving T...
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- Which mirror always forms virtual and erect image which is smaller tha...
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- Which type of lens forms always a virtual image ?
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- What is the position of the object for which the image formed by a con...
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- Which type of mirrors are used by doctors for examining the eyes, ears...
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- What is the other name of a diverging lens ?
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- What is the other name of a converging lens ?
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- Which of the two diverges a beam of parallel rays of light : convex le...
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- Name the lens which can concentrate sun's rays to a point and burn a h...
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- Which of the mirrors is converging: concave or convex?
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- Where should an object be placed in order of to use a convex lens as a...
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- If the image formed by a lens is always virtual, erect and smaller tha...
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- Which type of lens can form real and inverted images, as well as virtu...
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- Name the device which is used to split white light into seven colours.
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