(a) Shadows can only be formed in the presence of light.
(b) The sun causes shadows that change in length during the day. When is the shadow the longest?
(d) A _________ object forms a shadow, but a __________ object does not form a shadow.
(c) The shadow of an object is formed on the ________ side to the source of light.
The column on the left lists some of the key features of the Indian Constitution. In the
other column write two sentences, in your own words, on why you think this feature
is important:
Key Feature Significance
Federalism
Separation of Powers
Fundamental Rights
Parliamentary Form of Government
(b) We can see a non-luminous object when light ________ from a luminous object falls on it and then ________ our eyes.
In each of the following situations, identify the minority. Write one reason why you think it is
important to respect the views of the minority in each of these situations.
(a) In a school with 30 teachers, 20 of them are male.
(b) In a city, 5 per cent of the population are Buddhists.
(c) In a factory mess for all employees, 80 per cent are vegetarians.
(d) In a class of 50 students, 40 belong to more well-off families.
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