2010 I Questions & Answers: part4



2010 I QUESTIONS AND ANSWERS :: part4 : 6 to 10

Following Multiple choice objective type questions and answers will help you as a free online coaching for your TRB SSC CGL written exam preparation for 2017. These are useful study materials collected from previous year question papers. :

6.The modulus of rigidity is the ratio of

longitudinal stress to longitudinal strain
volume stress to volume strain
shearing stress to shearing strain
tensile stress to tensile strain

7.One of the constituents of tear gas is

Ethane
Ethanol
Ether
Chloropicrin

8.A vitamin requires cobalt for its activity.The vitamin is

Vitamin B₁₂
Vitamin D
Vitamin B₂
Vitamin A

9.A concave lens always forms an image which is

real and erect
virtual and erect
real and inverted
virtual and inverted

10.An atomic clock is based on transitions in

sodium
Caesium
Magnesium
Aluminium

More SSC CGL 2010 I QUESTIONS AND ANSWERS available in next pages

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