Question

a) State three characteristics of an image formed by a pinhole camera
b) How is the image formed in a pinhole camera affected when (1) the distance of screen from the pinhole increases,(2) the distance of the object from the pinhole increases ​

Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

1. The Indus Valley Civilisation flourished between

(a) 2500 AD and 2500 BC

(b)2500 AD and 1500 BC

(c) 2500 AD and 1500 AD

(d) 2500 BC and 1500 BC

2. The Indus Valley Civilisation is also called the

(a) Indian Civilisation

(b) Harappan Civilisation

(c) Chinese Civilisation

(d) Egyptian Civilisation

3. The reddish,brown clay which was used for making pot was

(a) tera clay

(b) brown clay

(c) terracotta

(d) sand clay

4. Finding of which thing suggests that people wore it to bring good fortune?

(a) armlet

(b) amulets

(c) rings ...

(d) necklace

5. The cities were administered by a committee of people consisting of

(a) rich priests

(b) craftsmen

(c) rich merchants

(d) priest King

​

Explanation: