Question

Answer the following [5]

1. State true or false

Metals have a tendency to form cations.

2. Name the force that keeps the satellite in the orbit around the earth.

3. Identify the odd one out and justify:

Reflection, Neutralization, Refraction, Dispersion.

4. Complete the analogy.

Focal length : Meter :: Power of a lens:

5. Match the following.

Column I Column II

i) Global communication a) Low Earth Orbit

ii) International Space

Station

b) PSLV

c) Communication satellite

d) EDUSAT
quick answers
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Answer 1

Answer:

1.True

Metals have tendency to form both cations and anions.

2.Gravitational force

Its v general &direct.

3.Neutralization.

Bcs other 3 are related to light, and not this one.

4.Dioptere.

Dioptere is the unit of power.

Hope it will help u :)

Answer 2

1)True

2)force of gravity

3) Neutralization

other are the phenomenon occuring in light

4)Focal length :Meter:: Power of lens:Diopre

5)no. don't know

Hope this helps you