Question
The circumference of the two circles is 110 cm and 330
cm respectively. What is the difference between their radii?Solution
2p (r1 – r2) = 330 – 110  = 220 ×7)/22×2 (r1 – r2) = 35 cm
The orbital velocity of a satellite depends on:
_________is a formula for rust.
Diamond does not conduct electricity because of which of the following reason?Â
Which of the following is a water soluble vitamin?
Which of the following is correct regarding isobars?
I. They have different atomic numbers
II. The have same mass numbers
Which of the following is used as a moderator in nuclear reactors?Â
Who measured the velocity of light first?
Sound cannot pass through –
Name the source from which aspirin is produced?
How can a mixture of sand and salt be separated?