It is necessary that we take proper care of our eyes. If there is any problem we should go to an eye specialist. Have a regular check-up. • If advised, we should use suitable spectacles. • Too little or too much light is bad for eyes. Insufficient light causes eyestrain and headaches. Too much lightRead more
It is necessary that we take proper care of our eyes. If there is any problem we should go to an eye specialist. Have a regular check-up.
• If advised, we should use suitable spectacles.
• Too little or too much light is bad for eyes. Insufficient light causes eyestrain and headaches. Too much light, like that of the sun, a powerful lamp or a laser torch can injure the retina.
• We should not look at the sun or a powerful light directly.
• Never rub our eyes. If particles of dust go into our eyes, wash our eyes with clean water. If there is no improvement go to a doctor.
• Wash our eyes frequently with clean water.
• Always read at the normal distance for vision. Do not read by bringing your book too close to our eyes or keeping it too far.
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Tiwari Academy https://www.tiwariacademy.com/
Tiwari Academy
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See lessExplain how you can take care of your eyes.
It is necessary that we take proper care of our eyes. If there is any problem we should go to an eye specialist. Have a regular check-up. • If advised, we should use suitable spectacles. • Too little or too much light is bad for eyes. Insufficient light causes eyestrain and headaches. Too much lightRead more
It is necessary that we take proper care of our eyes. If there is any problem we should go to an eye specialist. Have a regular check-up.
• If advised, we should use suitable spectacles.
• Too little or too much light is bad for eyes. Insufficient light causes eyestrain and headaches. Too much light, like that of the sun, a powerful lamp or a laser torch can injure the retina.
• We should not look at the sun or a powerful light directly.
• Never rub our eyes. If particles of dust go into our eyes, wash our eyes with clean water. If there is no improvement go to a doctor.
• Wash our eyes frequently with clean water.
• Always read at the normal distance for vision. Do not read by bringing your book too close to our eyes or keeping it too far.
https://www.tiwariacademy.com/ncert-solutions/class-8/science/chapter-16/
See lessChoose the correct option: Image formed by a plane mirror is
(b) virtual, behind the mirror and of the same size as the object https://www.tiwariacademy.com/ncert-solutions/class-8/science/chapter-16/
(b) virtual, behind the mirror and of the same size as the object
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See lessChoose the correct option: Angle of incidence is equal to the angle of reflection
(a) Always https://www.tiwariacademy.com/ncert-solutions/class-8/science/chapter-16/
(a) Always
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See lessFill in the blanks: Night birds have ____________ cones than rods in their eyes.
Night birds have less cones than rods in their eyes. https://www.tiwariacademy.com/ncert-solutions/class-8/science/chapter-16/
Night birds have less cones than rods in their eyes.
https://www.tiwariacademy.com/ncert-solutions/class-8/science/chapter-16/
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