First Year Physics Chapter 1 Online MCQ Test for 1st Year Physics Chapter 1 (Measurements)

The numebr of significant figures in the measrued mass 2500.0 kg is

• Two

  A

• Three

  B

• Four

  C

• Five

  D

The answer to the mathematical division (45.2 x 6.0) in appropriate numebr of significant figures is.

• 7.5

  A

• 7.53

  B

• 7.533

  C

• 7.5333

  D

The Dimension of freqeuncy is

• [T-1]

  A

• [LT]

  B

• [MLT]

  C

• [LT-1]

  D

SI Unit of electric current.

• Mole

  A

• Candela

  B

• Ampere

  C

• Microampere

  D

SI Unit of force

• Newton

  A

• Dyne

  B

• Joule

  C

• Watt

  D

The purpose  of stdy and discovereties in Physics in.

• The porbling of interstatllar sThe betterment of mankingpaces

  A

• The bettermetne of mankind

  B

• The developemt of destructive echnology in warfare

  C

• Developemt in aesthetics for the world

  D

The sum 12 kg +2.02 kg+5.1 kg accoridng to appropriate precision is

• 19 kg

  A

• 19.0 kg

  B

• 19.1 kg

  C

• 19.12 kg

  D

The length of  steel pipe is in between 0.7 m to 0.8 m. Identify from the following. the appropriate instruemnt to be used for an accuracy of 0.001 m.

• A micrometer screw gauge

  A

• A metre rule

  B

• A ten meteres measuring tape

  C

• A vernier callipers

  D

SI Unit of intensity of light is.

• Mole

  A

• Candela

  B

• Kelvin

  C

• Ampere

  D

For total acssessment of uncertinty in the final result obtained by multiplication and division

• Absolut euncetainties are added

  A

• Uncertainties are multiplied

  B

• %age uncertainties are added

  C

• Erros are added

  D

Which pair has same unit.

• Work and energy

  A

• Momentum and moment of inertia

  B

• Force and torque

  C

• Torque and power

  D

The dimensions of acceleration are.

• [LT-2]

  A

• [LT-2]

  B

• [LT-3]

  C

• [L-1T]

  D

One ligh year is equal to in meteres.

• 9.5 x 10¹⁵

  A

• 9.5 x 10^-15

  B

• 3.1 x 102

  C

• 3.1 x 10^-8

  D

testMcq

The value 56.8546 cna be rounded off up to three signficant figures.

• 56.8

  A

• 56.9

  B

• 56.7

  C

• 56.86

  D

Dimension of relation mc2 are equal to dimension of.

• Force

  A

• energy

  B

• Torque

  C

• Momentum

  D

The unit of pressure in base unti is.

• kg m-1 s-2

  A

• kg m-1 S2

  B

• kg ms-2

  C

• None of above

  D