Question
Which medium cannot propagate sound
waves?Solution
Sound waves require a medium (solid, liquid, or gas) to travel through as they are mechanical waves. In a vacuum, where there are no particles to transmit vibrations, sound cannot propagate.
766/51 ÷ 387/42 × 121/13 = ?
540.11 ÷ 17.98 × 5.14 – 131.9 = √?
What approximate value will replace the question mark (?) in the following?
√57...
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exactvalue.)
√1567.763`xx` √4400 ÷ 326.9827 + 1223.293 = ?
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
? = 19.89% of (29.89 × 12.44) + 9.96 × 12.022
(47.981% of 295) + (24.91% of 245) =?
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
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