Question
Which of the following equations correctly represents
the momentum p of a photon of Energy E?Solution
The correct answer is A
The circumference of a semi-circle is 108 cm. What is the area of the circle with the same radius as the semi-circle? (Take π = 22/7)
If the lateral surface area of a regular tetrahedron is 75√2 cm², determine the volume of the tetrahedron
The ratio of the curved surface area and total surface area of a cylinder is 16 : 17 . If the curved surface area of the cylinder is 308m². Find th...
The ratio of a closed cuboid's length, width, and height is 5: 4: 3. The total surface area of this cuboid is 1500 cm². Find the volume (in cm³) of th...
A box has 80 Red, 40Blue and 40 Black Balls. 25% of Red Balls and 50% of Blue Balls are taken away, percentage of Black balls at present is
The length of a 540 metre long rope is 9 times the perimeter of a rectangular German park. Find the area of the rectangular park ...
The radius of a sphere is 75% of the radius of a cylinder, while the height of the cylinder is 25% greater than its radius. Determine the ratio of the v...
The area of a rectangle is 1/2 that of a square. The length of the rectangle is 20 cm and the breadth of the rectangle is 3/2 times that of the side of ...
If the length of a rectangle becomes double and its breadth becomes three-fourth, then find the percentage increase in its area.
Length of a rectangle is equal to the side of a square. If area of the square and rectangle is 729 m2 and 297 m2, respectively the...
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