Question
Which of the following materials exhibits piezoelectric
effect?Solution
The correct answer is D
A cone and a cylinder have the same radius and height. If the volume of the cone is 100 cm³, what is the volume of the cylinder?
A street of width 15 metres surrounds from outside a rectangular garden whose measurement is 160 m × 140 m. The area of the path (in square metres) is<...
The base of a right prism is a regular hexagon of side 5 cm. If its height is 12 √3 cm, then its volume (in cm²) is:
A cone is cut parallel to its base in 3 parts in such a way that the height of each part is same. Find the ratio of volume of these parts?
A hemisphere of radius 14 cm is placed on a flat surface with its curved side touching the surface. A cylinder with the same radius and height of 14 cm ...
If the length of a rectangle becomes double and its breadth becomes three-fourth, then find the percentage increase in its area.
If the altitude of an equilateral triangle is 9 cm, then find out its area?
Perimeter of a rectangle is 70% more than that of a square of side 22 cm. If the difference between the length and breadth of the rectangle is 15 cm, re...
The altitude of an equilateral triangle is 6√3 cm. Find the area of the equilateral triangle.
If the sum of the radius and height of a right circular cylinder is equal to three times the radius, what is the height of the cylinder in terms of the...
Relevant for Exams:
