Question

1. Opaque objects cast shadows, isn't it? Now, if we hold a transparent object in
the Sun, do we see anything on the ground that gives us a hint that we are
holding something in our hand?
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Answer 1

Answer:

Two students are discussing the given ray diagram. Choose who among the two is correct.

Light source

Light rays

Object

Ravi: Objects always releases only three rays of light as we can see in the given diagram

Mukesh: No, objects release a lot of rays of light but for our convenience we only show few of them

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Answer 2

Answer:

Choose the correct form of noun given in the brackets.

We all love…………………… (honest/honesty)

The knife needs……………………. (sharping/sharpening)

My house has……………………. rooms, (four/some)

A large is expected,…………………… (crowd/crowds)

There are three in my team……………………. (woman/women)

There are many in my house……………………. (children/childrens)

of soldiers visited our academy……………………. (An army/A group)

The are very good……………………. (cloth/cloths)

There is a at my school today……………………. (holidays/holiday)

I wear polished…………………… (shoes/shoe)

Answer:

honesty

sharpening

four

crowd

women

children

an army

cloths

holiday

shoes