Height of atmosphere, if atmospheric density is 1.29 kg m-3 and atmospheric pressure is 101 kPa, is {{}}
A) 7839.4 m
B) 7829.4 m
C) 7849.4 m
D) 7859.4 m
Correct Answer:
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Q8: Units of stress are
A)Newton
B)Joules
C)Pascal
D)Watt
Q9: Concentration of matter in a material is
A)volume
B)mass
C)density
D)weight
Q10: Units of strain are
A)Newton
B)Joules
C)Watt
D)no units
Q11: Stress is force applied on
A)volume
B)cross sectional area
C)unit
Q12: The larger the spring constant, the spring
Q14: Pressure in fluid depends upon
A)depth below the
Q15: As depth increases, pressure in a fluid
A)increases
B)decreases
C)remains
Q16: If extension in spring is proportional to
Q17: If a spring is squashed, then forces
Q18: Fractional increase in original length is called
A)stress
B)strain
C)tensile
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