Question
What type of image is always formed by a convex
mirror?Solution
Convex mirrors always produce images that are virtual and erect due to the outward curvature that causes reflected rays to diverge.
The number of solid spheres, each of diameter 8cm, that could be molded to form a solid metal cylinder of height 64cm and diameter 4cm is:
Height of a cylindrical vessel is equal to side of a square, whose area is 324cm². Radius of cylindrical vessel is equal to average of radius of a sphe...
If the two adjacent sides of a rectangle are x cm and x – 10 cm and its perimeter is 124 cm then find its area?Â
Find the time taken by a pipe, which releases 94.5 m3 of water in a minute to fill an empty cylindrical tank of radius 18 m and height 14 m. ...
- A cylindrical road roller has a diameter of 4 m and a length of 2 m. It rotates 8 times every minute. Find the area it rolls over in 25 minutes.
- The inner radius of a hollow cylindrical pipe is 4.8 cm. If the length of the pipe and the thickness of the pipe are 20 cm and 2.5 cm, respectively, calcul...
The length of a rectangular floor is four times its breadth. If Rs. 2160 is required to paint the floor at the rate of Rs. 15 per square metre, what is ...
Rajnish bought a rectangular canvas of size 44cm x 23cm and rolled it in such a way that it formed a cylindar with height as 23cm. What is the d...
A salesman’s terms were changed from a flat commission of 9% on all his sales to a fixed salary of Rs. 4000 plus 4% commission on all sales exceed...
Relevant for Exams:
