CBSE Class 10 Mathematics Chapter 9 Some Applications of Trigonometry Multiple Choice Questions with Answers. MCQ Class 10 Maths Some Applications of Trigonometry with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 10 Mathematics Some Applications of Trigonometry MCQs with Answers to know their preparation level.
Multiple Choice Questions - Set - 3
Question 1:
The angle of elevation of top of a tower from a point on the ground, which is 30 m away from the foot of the tower is 30°. The length of the tower is
(a) √3 m
(b) 2√3 m
(c) 5√3m
(d) 10√3 m
Correct Answer – (D)
Question 2 :
If sun’s elevation is 60° then a pole of height 6 m will cast a shadow of length
(a) 3√2 m
(b) 6√3 m
(c) 2√3 m
(d) √3 m
Correct Answer – (C)
Question 3 :
A 20 m long ladder touches the wall at a height of 10 m. The angle which the ladder makes with the horizontal is
(a) 450
(b) 300
(c) 900
(d) 600
Correct Answer – (B)
Question 4 :
The angles of elevation of the top of a rock from the top and foot of 100 m high tower are respectively 30° and 45°. The height of the rock is
(a) 50 m
(b) 150 m
(c) 5o√3m
(d) 50(3 + √3)
Correct Answer – (D)
Question 5 :
A plane is observed to be approaching the airport. It is at a distance of 12 km from the point of observation and makes an angle of elevation of 60°. The height above the ground of the plane is
(a) 6√3 m
(b) 4√3 m
(c) 3√3 m
(d) 2√3 m
Correct Answer – (A)
Question 6 :
If the length of the shadow of a tower is √3 times that of its height, then the angle of elevation of the sun is
(a) 30°
(b) 45°
(c) 60°
(d) 75°
Correct Answer – (A)
Question 7 :
The tops of two poles of height 16m and 10m are connected by a wire. If the wire makes an angle of 60° with the horizontal, then the length of the wire is
(a) 10m
(b) 12m
(c) 16m
(d) 18m
Correct Answer – (B)
Question 8 :
The tops of two poles of height 20 m and 14 m are connected by a wire. If the wire makes an angle of 30° with horizontal, the length of the wire is
(a) 6 m
(b) 10 m
(c) 12 m
(d) 20 m
Correct Answer – (C)
Question 9 :
The upper part of a tree is broken by the wind and makes an angle of 30° with the ground. The distance from the foot of the tree to the point where the top touches the ground is 5 m. The height of the tree is
(a) 10√33 m
(b) 5√33 m
(c) √3 m
(d) √3/5 m
Correct Answer – (B)
Question 10 :
The angle of elevation of top of a tower from a point on the ground, which is 30 m away from the foot of the tower is 30°. The length of the tower is
(a) √3 m
(b) 2√3 m
(c) 5√3m
(d) 10√3 m
