Question
Which statement about the properties of magnetic lines
of force is NOT correct?Solution
Magnetic lines of force are closed curves that exit a magnet from its north pole and re-enter at the south pole, continuing through the magnet from south to north. This property emphasizes the continuous nature of magnetic fields, contradicting the incorrect assertion that they are open curves.
The perimeter of a rectangle is 50% more than perimeter of a square of side 25 cm. If the length of rectangle is 100% more than side of square then fin...
If the volume and radius of a cylinder is 4620 cm3 and 14 cm respectively then find the height of the cylinder?
2[sin x – cos x]4 + 6[sin x + cos x]2 + 5[sin6 x + cos6 x]= ?
If (3/4)th of a number exceeds (1/2)th of (x + 8) by 10, then find the value of ‘x’.
A pipe fills a cubical tank at the rate of 128 m3 per minute in 32 minutes. If a cylindrical tank having height same as the side of a cubical...
The lateral surface area of a cube is 100 cm2 . The length of a cuboid is 40% more than the side of the cube. The breadth of the cuboid is 6...
A rectangular swimming pool is 40 meters long and 25 meters wide. If the pool is being filled at a rate of 10 cubic meters per minute, how long will it ...
Calculate the perimeter of a square when the area of a circle that circumscribes it is 486 square centimeters. (Assume π = 3 for calculations.)
The side of a square is equal to the diameter of a circle. The area of a square is 196 sq cm. what is the area of the circle?
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