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MBD -HARYANA BOARD-LIGHT-EXAMPLE
- How can you see an object in the dark?
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- It is what that helps us to see objects?
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- Name any two Luminous bodies.
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- Moon appears bright at night. Is it a luminous or non-luminous body ?
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- Where is a reflection seen?
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- Which surface can act as a mirror?
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- If you are standing in front of a mirror and observing your own image ...
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- What is the angle of reflection, when a ray of light is incident norma...
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- Name two objects which split white light into manyt colours.
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- Name the seven colours of light. What is this phenomenon called?
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- Give one example of dispersion of light in nature.
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- Is focal length of eye lens fixed? If not, why?
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- What is the function of ciliary muscles in human eye? What ability do ...
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- What is the function of rod cells on the retina? Which cells detect co...
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- What are cones? What problem occurs if they don't work properly?
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- What is basic cause of colour blindness?
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- Why cats and bats are able to see at night?
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- At what rate the images pass one after the other on a cinema screen?
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- What is retina? What type of photosensitive cells are present on the r...
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- Name one device that can be used by short statured person to see over ...
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