Q5 of 46 Page 246

The freezing of biotechnology products like vaccines require ________ freezing system.

Liquid N2 can achieve temperatures as low as -196 degrees C. It’s cryogenic. This allows preservation. Moreover, though liquid He is also cryogenic, it leads to formation of ice crystals which may damage the biotechnology products.

More from this chapter

All 46 →
3

The momentum of a massive object at rest is _______.

 4

The mass of a person is 50 kg. The weight of that person on the surface of the earth will

be ________.

 6

Two objects of same mass, namely A and B hit a man with a speed of 20 km/hr and

50 km/hr respectively and comes to rest instantaneously. Which object will exert more force on that man? Justify your answer.

 7

An object is moving with a velocity of 20 m/s. A force of 10 N is acting in a direction perpendicular to its velocity. What will be the speed of the object after 10 seconds?