# Most Important MCQ Questions for Class 10 Maths Chapter 9 Some Applications of Trigonometry with Answers

Find here the Most Important NCERT chapter-wise Multiple Choice Questions from Class 10 Maths with Answers Pdf free download. this may assist you to understand and check your knowledge about the chapters Most Important MCQ. Students also can take a free test of the Multiple Choice Questions of The chapters Most Important MCQ. Each question has four options followed by the right answer. These Most Important MCQ Questions are selected supported by the newest exam pattern as announced by CBSE.

(a) 6√3 m
(b) 4√3 m
(c) 3√3 m
(d) 2√3 m

(a) 6√3 m

(a) 35 m
(b) 140 m
(c) 60.6 m
(d) 20.2 m

(c) 60.6 m

## Q.3. The …………….. of an object is the angle formed by the line of sight with the horizontal when the object is below the horizontal level.

(a) line of sight
(b) angle of elevation
(c) angle of depression
(d) none of these

(c) angle of depression

(a) 450
(b) 300
(c) 900
(d) 600

(b) 300

(a) 10√33 m
(b) 5√33 m
(c) √3 m
(d) √3/5 m

(b) 5√33 m

## Q.6. The line drawn from the eye of an observer to the point in the object viewed by the observer is known as

(a) horizontal line
(b) vertical line
(c) line of sight
(d) transversal line

(c) line of sight

(a) 25√3
(b) 50√3
(c) 75√3
(d) 150

(c) 75√3

(a) 50 m
(b) 150 m
(c) 5o√3m
(d) 50(3 + √3)

(d) 50(3 + √3)

(a) 30°
(b) 45°
(c) 60°
(d) 15°

(a) 30°

(a) √3 m
(b) 2√3 m
(c) 5√3m
(d) 10√3 m

(d) 10√3 m

(a) 30°
(b) 45°
(c) 60°
(d) 90°

(b) 45°

(a) 453m
(b) 856m
(c) 290m
(d) 470m

(d) 470m

(a) 15 m
(b) 8 m
(c) 20 m
(d) 10 m

(a) 15 m

(a) 8 m
(b) 10 m
(c) 12 m
(d) 14 m

(c) 12 m

(a) 10 m
(b) 20 m
(c) 30 m
(d) 20√3 m

(b) 20 m

## Q.16. The angle of elevation of the sun, when the length of the shadow of a tree is equal to the height of the tree, is:

(a) 45°
(b) 60°
(c) 30°
(d) None of these

(a) 45°

(a) 1 : 2
(b) 1 : 3
(c) 2 : 1
(d) 3 : 1

(c) 30 m

## Q.18. An observer 1.5m tall is 23.5m away from a tower 25m high. The angle of elevation of the top of the tower from the eye of the observer is

(a) 30°
(b) 45°
(c) 60°
(d) none of these

(b) 45°

(a) 2 cm
(b) 4 cm
(c) 6 cm
(d) 8 cm

(c) 6 cm

## Q.20. In figure given ABCD is a rectangle, the value of CE is

(a) 1 cm
(b) 2 cm
(c) 3 cm
(d) 4 cm

(d) 4 cm

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