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 - 4
Question 1:
A tower stands vertically on the ground from a point on the ground which is 25 m away from the foot of tower if the height of tower is 25√3 metres find the angle of elevation.
(a) 60°
(b) 30°
(c) 120°
(d) 90°
Correct Answer – (A)
Question 2 :
A tower stands vertically on the ground. From a point C on the ground, which is 20 m away from the foot of the tower, the angle of elevation of the top of the tower is found to be 450. The height of the tower is
(a) 15 m
(b) 8 m
(c) 20 m
(d) 10 m
Correct Answer – (A)
Question 3 :
In given Fig., the angle of depression from the observing position D and E of the object at A are
(a) 60°, 60°
(b) 30°, 30°
(c) 30°, 60°
(d) 60°, 30°
Correct Answer – (C)
Question 4 :
When the sun’s altitude changes from 30° to 60°, the length of the shadow of a tower decreases by 70m. What is the height of the tower?
(a) 35 m
(b) 140 m
(c) 60.6 m
(d) 20.2 m
Correct Answer – (C)
Question 5 :
When the length of shadow of a vertical pole is equal to √3 times of its height, the angle of elevation of the Sun’s altitude is
(a) 30°
(b) 45°
(c) 60°
(d) 15
Correct Answer – (A)
Question 6 :
If a kite is flying at a height of 10√3m from the level ground attached to a string inclined at 60° to the horizontal then the length of the string is
(a) 20m
(b) 40√3m
(c) 60√3m
(d) 80√3m
Correct Answer – (A)
Question 7 :
Guddi was standing on a road near a mall. She was 1000m away from the mall and able to see the top of the mall from the road in such a way that top of the tree, which is in between her and the mall, was exactly in line of sight with the top of the mall. The tree height is 10m and it is 20m away from Guddi. How tall is the mall?
(a) 453m
(b) 856m
(c) 290m
(d) 470m
Correct Answer – (D)
Question 8 :
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
Correct Answer – (C)
Question 9 :
From a point P on the level ground, the angle of elevation of the top of a tower is 30°. If the tower is 100m high, the distance between P and the foot of the tower is
(a) 100√3m
(b) 200√3m
(c) 300√3m
(d) 150√3m
Correct Answer – (A)
Question 10 :
A contractor planned to install a slide for the children to play in a park. If he prefers to have a slide whose top is at a height of 1.5m and is inclined at an angle of 30° to the ground, then the length of the slide would be
(a) 1.5m
(b) 2√3m
(c) √3m
(d) 3m
