Question # 1

The temperature at the centre of sun is.

Choose an answer

10 million k

20 million k

30 million k

35 million k

The colour of live wire is:

Choose an answer

Black or blue

Green or yellow

White or grey

Red or brown

The galvanometer has been named after the scientist:

Choose an answer

Lewis

Lowry bronsted

Luigi Galvano

Galvano Einstein

in a dry cell, chemical energy changes into:

Choose an answer

mechanical energy

electrical energy

potential energy

kinetic energy

Which particles are nucleons?

Choose an answer

Electrons and protons

Protons and neutrons

Electrons and neutrons

Electrons and positrons

The half life of carbon -14 is:

Choose an answer

5730 years

5740 years

5750 years

5760 years

Joule’s law is W=

Choose an answer

IR/t

IRt²

IR²t

I²Rt

Which radiations are free of effect of electric and magnetic field?

Choose an answer

Alpha

Beta

Gamma

Alpha and beta

The reason carbon dating work is that.

Choose an answer

Plants and animals are such strong emitters of carbon 14

After a plant or animal dies, it stops in fresh carbon

There is so much non radioactive carbon dioxide in the air

When a plant or animal dies.

When resistances are connected in series the current passing through them is:

Choose an answer

Different

Zero

The same

None of these

Which element is used for the monitoring of thyroid glands?

Choose an answer

Iodine- 131

Phosphorus-32

Carbon-14

Potassium-40

Who discovered the phenomenon of natural radioactivity?

Choose an answer

Henry Becurial

Merry Curi

Perry

Rutherford

the range of galvanometer to measure current is:

Choose an answer

few amperes

few micro amperes

few milli amperes

mega amperes

More Classes

Other Links

Physics 10th Class English Medium Unit 9 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer