Question

The following questions consists of two statements - Assertion (A) & Reason (R) . Answer these questions selecting the appropriate option given below.
(a) Both A & Rare true & R is the correct explanation of A.
(b) Both A & R are true but R is not the correct explanation
(c) A is true but R is false
(d) A is false but R is true

Assertion (A): A few positively charged a-particles are deflected in Rutherford experiments Reason

(R) : - Most of the space in an atom is empty.





Answer jaldi se batao important hai. ​

Answer 1

Explanation:

electrons move in all direction hqphazardly in metals. When an electric field is applied, each free electron aqquire a drift velocity. There is a net flow charge, which constitute current. In the absence of elecyric field this is immposible and hence there is no current.