Question
Which of the following materials has the highest thermal
conductivity?Solution
Diamond has the highest thermal conductivity among the given materials, with a value of approximately 2300 W/mK, making it an excellent conductor of heat.
The length of the rectangle is triple its breadth. If the perimeter of the rectangle is 80 m, then find the area (in m2) of the rectangle.
A rectangular hall is 24 m long and 15 m wide. Find its area and the cost of flooring it at Rs 45 per square metre.
Two-thirds of the cylinder is full of water. When we tilt the cylinder in such a way that the water becomes a diagonal shape, in this process 93.5 liter...
Rahul spends some part of his income and saves the remaining part. The ratio of his expenditure and saving is 3 : 4 respectively. If Rahul’s income i...
A chord of a circle is equal to its radius. The angle subtended by this chord at a point on the circumference is
If (x² + 1/x2) = 4, which of the options below is a possible value of x² - 1/x2 ?
A right-angled triangle has legs of lengths 9 cm and 12 cm. Find its hypotenuse, area and perimeter.
The ratio of the radii of the bases of a cylinder and a cone is 4:5, while the ratio of their heights is 5:6. What is the ratio of the volume of the cyl...
tan(θ -14π) is equal to:
Monthly income of A is Rs. 9600 and he saves 38% of his monthly income. If monthly expenditure of A is decreased by 35% while his monthly savings is inc...
Relevant for Exams:
