Question 1

What is the half-life of a radioactive element?

Accepted Answer

Time for half the atoms to decay

Question 2

Which quantity is measured in pascal?

Accepted Answer

Pressure

Question 3

1 kg m s⁻¹ represents the unit of which quantity?

Accepted Answer

Linear momentum

Question 4

When a substance is heated, what happens to its volume and density?

Accepted Answer

Volume increases and density decreases

Question 5

Which particle is used to initiate nuclear fission in a reactor?

Accepted Answer

Slow neutron

Question 6

Which instrument measures blood pressure?

Accepted Answer

Sphygmomanometer

Question 7

Which pair has the same dimensions?

Accepted Answer

Work and energy

Question 8

In the Celsius-Fahrenheit-Reamur-Kelvin conversion, what is the ratio of temperature divisions between scales?

Accepted Answer

C : F : R = 5 : 9 : 4

Question 9

What is nuclear fission?

Accepted Answer

Splitting of a heavy nucleus into two lighter nuclei

Question 10

Which SI unit is used to measure resistance?

Accepted Answer

Ohm

Science One Liner Questions with Answers

Which pair has the same dimensions?