Question

4. The following consists of two statements named as Assertion (A) and Reason (R). Select one correct
option from the codes (), (i), (iii) and (iv) given below:-
(i) If both (A) and (R) are true and the (R) is the correct explanation of the (A),
(ii) If both (A) and (R) are true but the (R) is not the correct explanation of the (A):
(iii) If (A) is true but (R) is false.
(iv) If (A) is false but (R) is true.
Assertion (A) :- Velocity of an object thrown vertically upwards decreases till it reaches the highest point.
Reason (R) :- Acceleration due to gravity retards the motion of the object.​

Answer 1

Answer:

I hope this is answer helpful

Answer 2

Element is a mixture of isotopes, the atomic weights are not whole numbers but fractional integral values.