Q. what is the SI unit of Young modulus of elasticity
A) dyne/cm
B) newton/m
C) newton/m2
D) m2/s
Q. work function is generally expressed in
A) electron volt
B) joule
C) newton
D) gauss
Q. Coins are minted in india in
A) Noida
B) kolkata
C) Mumbai
D) All of the above
Q. when a charged particle moves in a transverse magnetic field, it path of motion is
A) parabolic
B) circular
C) elliptical
D) linear
Q. The second law of thermodynamics introduces the concept of
A) Heat
B) Temperature
C) Entropy
D) Internal energy of the system
Q. How many liters of 27% alcohol solutions is to be added to 20 liters of 36% alcohol solution to obtain a 30% alcohol solution?
A) 30
B) 40
C) 60
D) 50
Q. The velocity with which a projectile must be fired so that it escapes earth's gravitation doesnt depend on
A) mass of the earth
B) Mass of the projectile
C) Radius of the orbit
D) Gravitational constant
Q. Annapurna, one of the highest mountains in the World is in
A) India  
B) Tibet  
C) Bhutan  
D) Nepal
Q. the potential energy associated with an electron in the orbit
A) increases with increase in radii of orbit
B) decreases with increase in radii of orbit
C) remains unchanged with the change in radii of the orbit
D) none of these
Q. Worker W produces n units in 5 hours. Workers V and W, workers independently but at the same time, produce n units in 2 hours. how long would it take V alone to produce n units?
A) 1 hr 26 min
B) 2 hr 30 min
C) 3 hr 30 min
D) 3 hr 20 min
Today Challenging Question
Q. If a boat is moving in upstream with velocity of 14 km/hr and goes downstream with a velocity of 40 km/hr, then what is the speed of the stream ?
A) 13 km/hr
B) 26 km/hr
C) 34 km/hr
D) none of these
4 members solved
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