Question
Which of the following waves require a medium to
travel? ÂSolution
Sound waves are mechanical waves, which require a medium (such as air, water, or solids) to travel.  They cannot propagate in a vacuum.  On the other hand, electromagnetic waves (like light, radio waves, and microwaves) do not require a medium and can travel through space.
The one who wears Noise born in which month and year?
How many boxes are there between box C and box X?
Five boxes L, M, N, O and P are kept one above another. L is kept two boxes above P. N is kept immediately above L. No box is kept between N and M. Whic...
Select the combination of numbers that when placed sequentially in the blanks of the given series will complete the series.
j k _ m _ o p _ r _ k...
After 3 years, S’s age will be?
Which of the following combination is true?
Six boxes D, E, F, G, H and I are kept one above another. The bottommost box is numbered as 1 and the topmost box is numbered as 6. D is three boxes bel...
Which of the following does not belong to a group?
How many floor between I and the one who likes SAMSUNG?
Read the directions carefully and answer the following questions.
Six individuals P, Q, R, S, T, and U occupy a building with two levels, Floor...
