The idiom “Let sleeping dogs lie” means to “leave an existing situation as it is.”
Which compound is used to prepare water proof clothes?
What is the SI unit for measuring speed?
Quantum Theory was discovered by
Consider the following statements:
1. A flute of smaller length produces waves of lower
2. Sound travels in rocks in the form of longitudi...
A bus moving along a circular track is an example of
During __________ motion of an object along a straight line, the change in velocity of the object for any time interval is zero.
Which statement about the properties of light and sound is incorrect?
Which Instrument is used to measure depth of ocean?
The waves which are less than 20Hz are known as
What type of image is always formed by a convex mirror?