Home
Class 11
PHYSICS
Assertion : 'Light year' and 'Wavelength...

Assertion : 'Light year' and 'Wavelength' both measure distance.
Reason : Both have dimensions of time.

A

if both assertion and reason are true reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation fo assertion.

C

If assertion is true but reaso is false.

D

IF both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
C

Both light year and wavelength have dimensions of distance not time.
Promotional Banner

Topper's Solved these Questions

  • UNITS AND MEASUREMENTS

    NCERT FINGERTIPS|Exercise NCERT Exemplar|12 Videos
  • THERMODYNAMICS

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos
  • WAVES

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos

Similar Questions

Explore conceptually related problems

A : PARSEC and light year, both measure time R : Both have dimension of time.

Assertion : Light year and year, both measure time. Reason : Because light year is the time light takes to reach the earth from the sun.

Assertion : L//R and CR both have same dimensions Reason L//R and CR both have dimensions of time

Assertion : The light year and wavelength consist of dimensions of length. Reason : Both light year and wavelength represent time.

Assertion : The dimensional formula for product of resistance and conductance is same as for dielectric constant. Reason : both have dimensions of time constant.

Assertion : Lumbricus and Nereis both belong to Annelida. Reason : They have nephridia.

Assertion : Gravitational field is zero both at centre and infinity. Reason : The dimensions of gravitational field is [LT^(-2)]

Assertion : Pressure can be subracted from pressure gradient. Reason : Because both have the same dimensions.

Assertion : Glucose and fructose both reduce Schiff's reagent. Reason : Both have free carbonyl group.

Quality factor and power factor both have the dimensions of