C-10-Q019mediumsingle_mcq

As an observer moves towards the foot of a tower (on level ground), the angle of elevation to its top—

adecreases
bincreases
cstays unchanged
dbecomes zero

ব্যাখ্যা

On level ground the tower height is fixed while the horizontal distance shrinks as the observer approaches, so the ratio (and hence the elevation angle) grows larger.

এই অধ্যায়ের আরও প্রশ্ন

C-10-Q020The angle of elevation of an object is when the object is—
C-10-Q021If the sun is directly overhead, the angle of elevation of the sun is—
C-10-Q022The angle of elevation of the top of a hill is greater for an observer who is—
C-10-Q023The angle formed at the observer's eye by the line of sight to a point below the horizontal line is called the
C-10-Q024From the top of a tower, the angle to a point on the ground is an angle of—
C-10-Q025An aeroplane flying high looks down at a building on the ground; the angle from the plane is one of—
C-10-Q026The angle of depression from a higher point and the angle of elevation back to that point are equal because th
C-10-Q027If the angle of depression of a point from the top of a tower is , the angle of elevation of the tower top fro
C-10-Q028As an observed point on the ground moves further from the foot of a tall building, the angle of depression fro
C-10-Q029The angle of depression equals when the line of sight is—

Chapter 10: Distance and Elevation — সব প্রশ্ন দেখুন (160টি) →