Select the INCORRECTLY spelt word.

Which one of the following animals can hear ultrasonic sound?

When two charged bodies are properly connected but do not exchange electric current, it indicates that they have the same _____.

Which of the following instruments is correctly matched with its function?

I) Voltmeter - Measures potential difference 

Which of the following is the least penetrating power rays ?

Which physical property causes raindrops to form spherical shapes?

Which of the following represents Pressure?

Einstein was awarded Nobel Prize for –

Mercalli scale is the instrument used for measuring the intensity of ___________.

The waves which are less than 20Hz are known as 

Which of the following statements is true when we see 'rainbow'?