Question

. _______________ is known as the Father of microscopy.

2. _______________ are fitted in peepholes.

3. A polythene bag allows_______________ light to pass

through them.

4. We can see finger prints with the help of an _____________

glass.

5. _______________ produces a large image​

Answer 1

Answer:

(1)- Zacharias Janssen

(2)- A peephole is a small opening through which one may look. In a door, a peephole allows people inside the security of seeing outside without opening the door. Glass peepholes are often fitted with a fisheye lens to allow a wider field of view from the inside and little to no visibility from the outside.

(3)- A white plastic bag is translucent because some light passes through it. It is also opaque because it blocks some of the light. A translucent bag has some opacity unless it is clear, then it is minimally opaque. They are translucent when they pass some light through them so we can see blurry objects through them

(4)- On a smooth surface such as glass or metal, fingerprints tend to stick very well. With your unwashed hands, you should have been able to make your fingerprint visible with either cacao or baby powder. Just a little powder applied with a brush should be enough to reveal your fingerprint

(5)- concave mirror

Explanation:

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Answer 2

1. Antonie van Leeuwenhoek

2. Fishey lens

3. A polythene bag allows light to pass through them

4. We can see finger prints with the help of an image

5. A Magnifying glass

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