Question Answers

When p calories of heat is given to a body, it absorbs q calories; then the absorption power of body will be it absorbs q calories; then the absorption power of body will be When p calories of heat is given to a body October 4, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]

Find the roots of the following equations : 1/x + 4 − 1/x − 7 = 11/30, x ≠ −4, 7 7) Find the roots of the following equations : 1/x + 4 − 1/x − 7 = 11/30 x ≠ −4 October 4, 2020 Category: Chapter 4 - Quadratic Equations , Maths , NCERT [...]

Two thermometers A and B are exposed in sun light. The valve of A is painted black, but that of B is not painted. The correct statement regarding this case is but that of B is not painted. The correct statement regarding this case is Two thermometers A and B are exposed in sun light. [...]

Find the roots of the following equations : x − 1/x = 3, x ≠ 0 Find the roots of the following equations : x − 1/x = 3 x = 0 October 4, 2020 Category: Chapter 4 - Quadratic Equations , Maths , NCERT Class 10 ,

Find the roots of the quadratic equations given in Q.1 above by applying the quadratic formula. 2x^2 + x + 4 = 0 Find the roots of the quadratic equations given in Q.1 above by applying the quadratic formula. 2x^2 = x - 4 = 0 October 4, 2020 Category: Chapter 4 - Quadratic Equations [...]

Find the roots of the quadratic equations given in Q.1 above by applying the quadratic formula. 4x^2 + 4root 3x + 3 = 0, ax^2 + bx + c =0 ax^2 + bx + c = 0 Find the roots of the quadratic equations given in Q.1 above by applying the quadratic formula. 4x^2 + [...]

Half part of the ice block is covered with black cloth and the rest half is covered with white cloth and then it is kept in sunlight. After some time clothes are removed to see the melted ice. Which of the following statements is correct the temperature at the common wall will be thermal conductivities [...]

Find the roots of the quadratic equations given in Q.1 above by applying the quadratic formula. 2x^2 = x – 4 = 0, ax^2 + bx + c = 0 ax^2 + bx + c = 0 Find the roots of the quadratic equations given in Q.1 above by applying the quadratic formula. 2x^2 = [...]

Find the roots of the quadratic equations given in Q.1 above by applying the quadratic formula. 2x^2 – 7x + 3 = 0 Find the roots of the quadratic equations given in Q.1 above by applying the quadratic formula. 2x^2 - 7x + 3 = 0 October 4, 2020 Category: Chapter 4 - Quadratic Equations [...]

Two cylinders P and Q have the same length and diameter and are made of different materials having thermal conductivities in the ratio 2 : 3. These two cylinders are combined to make a cylinder. One end of P is kept at 100°C and another end of Q at 0°C . The temperature at the [...]