Question

Chapter Assessment

Concept Review :
1. Fill in the blanks :
(i) The fraction 9 can be expressed as an improper fraction as
(ii) The reciprocal of an improper fraction (except I) is a ............

(3) 7+can be written as the product of...____ and ___
(6) 0+ (any fraction) = .......
fill in the blanks
​

Answer 1

Step-by-step explanation:

For maxima, dsinθ=nλ

⇒2λsinθ=nλ

2sinθ=n

∴sinθ=

2

n

∵sinθ≤1

⇒

2

n

≤1

n≤2

n

max

=2

n=0,1,2,

So maximum number of possible maxima=5

n=0,±1,±2

October 15, 2019