Question

V. Assertion and reason type.
Mark the correct answer as:
a. Both A and R are true but R is not the
correct reason.
b. Both A and R are true and R is the
correct reason.
c. A is true but Ris false.
d. A is false but R is true.
1. Assertion(A): The scientifically correct
expression is " The mass of the bag is 10 kg"
Reason (R): In everyday life, we use the term
weight instead of mass.
2. Assertion (A): 0 °C = 273.16 K. For our
convenience we take it as 273 K after
rounding off the decimal.
Reason (R): To convert a temperature on the
Celsius scale we have to add 273 to the given
temperature.
3. Assertion (A): Distance between two
celestial bodies is measured in terms of light
year.
Reason (R): The distance travelled by the
light in one year is one light year.​

Answer 1

Answer:3. Assertion (A): Distance between two

celestial bodies is measured in terms of light

year.

Reason (R): The distance travelled by the

light in one year is one light year.​

Explanation: