The lifespan of White Blood Cells is __________ days
Sound waves are _________ waves
Instrument used for measuring very high temperature is __________
1 nanometer =
When white light is passed through a prism, it splits into __________ colours
Which from the following is true for “Sound”
CNG stands for
Which from the following is NOT a conductor
A camera uses a __________ to form an image
The most densest substance on the Earth is __________
