Home
Class 12
PHYSICS
Assertion : Light year and year, both me...

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

A

If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion.

B

If both Assertion & Reason are True but Reason is not a correct explanation of the Assertion.

C

If Assertion is True but the Reason is False

D

If both Assertion & Reason are false.

Text Solution

Verified by Experts

The correct Answer is:
A
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • UNITS AND DIMENSIONS, BASIC MATHEMATICS

    MOTION|Exercise Exercise - 3 ( Section-A Previous Year Problems )|29 Videos

  • UNITS AND DIMENSIONS, BASIC MATHEMATICS

    MOTION|Exercise Exercise - 3 ( Section-B Previous Year Problems )|10 Videos

  • UNITS AND DIMENSIONS, BASIC MATHEMATICS

    MOTION|Exercise Exercise - 1 (Objective Problems) (SECTION - D :- ERRORS )|19 Videos

  • UNIT & DIMENSIONS

    MOTION|Exercise Exercise - 4 (Level - II) (PREVIOUS YEAR JEE ADVANCED)|10 Videos

  • VECTOR

    MOTION|Exercise Exercise - 3|18 Videos

Similar Questions

Explore conceptually related problems

How much time does light take to reach us from the sun ?

Define light year.

Knowledge Check

  • 1 light year =

    A
    `9.46 xx 10^(15)` m,
    B
    `94 xx 10^(15)` m
    C
    `3.08 xx 10^(16)` m
    D
    None of these.

  • Light year is the unit of

    A
    distance
    B
    time
    C
    mass
    D
    intensity of light

  • Light year is the unit of

    A
    distance
    B
    time
    C
    mass
    D
    Intensity of light

    • Similar Questions

    Explore conceptually related problems

    Light year is the unit of

    Light year is the unit of

    Light year is the unit of

    Light year is the unit of

    One light year is equal to

    Home
    Profile