Question # 1

The half life of radium - 226 is 1620 years. If N is its total amount then after the four half lives, its left amount will be:

Choose an answer

1/2 N

1/4 N

1/8 N

1/16 N

It mass of bob o a simple pendulum is doubled, its time period.

Choose an answer

is doubled

become four times

remains same

none of the above

Bets can hear sound of frequency up to:

Choose an answer

100,000 Hz

25000 Hz

120,000 Hz

1000 Hz

A data storage device is:

Choose an answer

Printer

Hard disk

Monitor

CPU

Resistance of a wire of conductor of 2 Ω resistance is doubled:

Choose an answer

4 Ω

6 Ω

8 Ω

10 Ω

The unit of spring constnat is:

Choose an answer

m

kg

Nm²

Nm^-1

In OR operation inputs are connected as:

Choose an answer

Series

Parallel

Both series or parallel

None of these

F=

Choose an answer

qE

q-E

q/E

q+E

Capacitance is defined as:

Choose an answer

VC

Q/V

QV

V/Q

An object gains excess negative charge after being rubbed against another object, which is:

Choose an answer

Neutral

Negatively charged

Charged

Either, a,b,and c

When a uranium (92 protons) ejects a beta particle, how many protons are left in the remaining nucleus?

Choose an answer

92 protons

91 protons

93 protons

89 protons

isotopes are atom of same element with different.

Choose an answer

Atomic mass

Atomic number

Number of proton

Number of electron

The unit of electric power is:

Choose an answer

Volt

Watt

Joule

Coulomb

More Classes

Other Links

Physics 10th Class English Medium 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