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Draw the diagram of showing the defect of "Myopia" and how it should be corrected
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0
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1721
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October 19, 2016
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A prism causes dispersion of white light while a rectangular glass block does not. Explain
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0
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5280
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October 19, 2016
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Collect the information about the dispersion phenomention occurs in the daily life
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0
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13085
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October 19, 2016
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Collect the different types of lenses used for correcting the eye defects and write a report
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0
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13137
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October 19, 2016
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Collect the information
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1
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3867
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October 19, 2016
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Prisms are used in binoculars. Collect information why prisms are used in binoculars
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0
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6130
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October 19, 2016
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Conduct an experiment to demonstrate the scattering of the light
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0
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7206
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October 19, 2016
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Conduct an experiment to produce a rainbow in your classroom and explain the procedure
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0
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4835
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October 19, 2016
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Eye is the only organ to visualize the colourful world around us
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1
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2350
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October 19, 2016
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The focal length of a lens suggested to a person with Hypermetropia is 100 cm
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1
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3578
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October 19, 2016
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If a white sheet of paper is stained with oil, the paper turns transparent. Why?
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0
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4330
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October 19, 2016
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Glass is known to be a transparent material. But ground glass is opaque and white in colour. Why?
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0
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5120
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October 19, 2016
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How do you appreciate the working of Ciliary muscles in the eye?
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0
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5010
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October 19, 2016
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How do you appreciate the role of molecules in the atmosphere for the blue colour of the sky?
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0
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3466
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October 19, 2016
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Incident ray on one of the face (AB) of prism and emergent ray
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1
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2027
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October 19, 2016
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A person is viewing an extended object
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1
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3252
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October 19, 2016
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Why does the sky sometimes appear white?
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0
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5533
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October 19, 2016
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Explain two activities for the formation of artificial rainbow
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0
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5032
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October 19, 2016
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Explain briefly the reason for the blue colour of the sky
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0
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3025
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October 19, 2016
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How do you find experimentally the refractive index of material of a prism?
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0
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7713
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October 19, 2016
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Explain the correction of the eye defect Hypermetropia
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0
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5026
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October 19, 2016
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How do you correct the eye defect Myopia?
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0
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2799
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October 19, 2016
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What is the difference in colours of the Sun observed during sunrise/sunset and noon?
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1
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3589
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September 25, 2016
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Why do we see a rainbow in the sky only after rainfall?
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0
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5070
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September 25, 2016
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Is the position of a star as seen by us its true position? Justify your answer
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0
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6057
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September 25, 2016
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Draw a ray diagram shoeing the dispersion through a prism when a narrow beam of white light is incident on one of its refracting surfaces
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1
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3257
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September 25, 2016
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How will you use two identical prisms so that a narrow beam of white light incident on one prism emerges out of the second prism as white light?
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1
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3656
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September 25, 2016
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How are we able to see nearby and also the distant objects clearly?
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0
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1603
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September 25, 2016
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A student sitting at the back of the classroom cannot read clearly the letters written on the blackboard
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1
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5921
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September 25, 2016
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A glass slab is placed over a page on which the "word VIBGYOR is printed with each letter in its r corresponding colour,
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1
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7824
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September 25, 2016
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