Question
The sparkling of a diamond is due to
–Solution
Diamonds sparkle because of the total internal reflection of light. Diamonds have a very high refractive index, meaning they slow light down much more than glass; and if cut in the right manner, the angles of incidence can be made so that light seems to get 'trapped' within the diamond giving it it's sparkly appearance.
Find the simplified value of the given expression:
(5 + 13 of 7 - 5.25 of 8 + 63) ÷ 18
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The angle between the planes x − y + z = 1 and 2x + y − 3z = 5 is:
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If a line has direction ratios 2, -1, -2, determine its direction cosines.
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In a triangle ABC, the sides are AB = 15 cm, BC = 20 cm, and AC = 25 cm. Find the area of the triangle using Heron’s formula.
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A container has 80 liters of a mixture of milk and water, with 60% milk. If 10 liters of water are added, what will be the new percentage of milk in th...
A regular hexagon has a side length of 6 units. What is the area of the hexagon?
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