When a dielectric material is kept in an external electric field, which one of the following phenomena may be realized ?
The correct answer is B
A cuboid of size 50 cm × 40 cm × 30 cm is cut into 8 identical parts by 3 cuts. What is the total surface area (in cm2) of all the 8 parts?...
∆ ABC is similar to ∆ DEF. If area of ∆ABC is 9 sq.cm and area of ∆DEF is 16 sq.cm and BC = 2.1 cm. Then the length of EF will be
In Fig. if QT ⊥ PR, ∠ TQR = 40 ° and ∠ SPR = 30 ° , find x and y.
If the area of ∆ ABC is 33 cm2 & G is the centroid of ∆ ABC.then the area of the ∆ BGC?
What is the sum of the smallest and the largest angles of th...
A, B C D are squares. Ravi wants to go from A to C. If he wants to go diagonally instead of sideways, then what percent less distance will he have to ...
Given are three points A(2, 7), B(4, -1), C(- 2, 6) on a plane. What kind of triangle is formed by joining the points A, B, and C? <...
In a right-angled triangle, the hypotenuse is 25 cm, and one of the sides is 20 cm. Find the radius of the circle inscribed in the triangle.
