Which one of the following has the highest value of specific heat?
Which one of the following has the highest value of specific heat?
A. Water
B. Alcohol
C. Methane
D. Kerosene
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Materials that undergo plastic deformation before breaking are called __________________?
Materials that undergo plastic deformation before breaking are called __________________?A. Brittle
B. Ductile
C. Amorphous
D. PolymersWhen a wheel 1 m in diameter makes 30 rev min the linear speed of the point on its rim in ms-1 is_______________?
When a wheel 1 m in diameter makes 30 rev min the linear speed of the point on its rim in ms-1 is_______________?A. 2π
B. π/2
C. π
D. 20πWork done will be maximum if the angle between the force F and displacement d is______________________?
Work done will be maximum if the angle between the force F and displacement d is______________________?A. 45°
B. 90°
C. 180°
D. 0°A bird sitting on a high tension electric wire does not get electrocuted because:
A bird sitting on a high tension electric wire does not get electrocuted because:A. Sit has high resistance
B. the body is earthed
C. it does not form a closed path for the flow of current
D. its feet are good insulatorsA wheat stone bridge is said to be balanced when____________________?
A wheat stone bridge is said to be balanced when____________________?A. maximum current flows through the galvanometer branch
B. minimum current flows through the galvanometer branch
C. potential difference across galvanometer branch is maximum
D. potential difference across galvanometer branch is zeroThe instrument used to measure blood pressure is called____________?
The instrument used to measure blood pressure is called____________?A. Venturimeter
B. Blood pressure
C. Sphygmomanometer
D. Sonometer