If the word PHOTOGRAPH is spelt with ‘F’ in place of ‘PH', then what would be the percentage reduction in the number of letters?
The correct answer is C
Sound and light waves both have ___________ .
The instrument for measuring intensity of earthquakes is called –
Which of the following Instrument is used to measure humidity?
Which Instrument is used to measure depth of ocean?
A rear-view mirror for driving is –
One Astronomical Unit (AU) is the average distance between-
What is the pH of Urine ?
A girl is standing 5 metres away from a plane mirror. How much distance should she move towards the mirror so that she will be 2 metres farther from her...
Temperature of the Sun is measured by
Which one is the largest Island of Japan?