Q. Boundary line between Pakistan and India
 
A)  Radcliffe line  
B) Durand line  
C) Maginot line  
D) McMahon line
Q. Superposition of two waves trains of amplitudes and nearly same frequiencies, moving in the same direction, results in the formation of beats. The maximum loudness heard at the waxing is 'n' times the loudness of each of the componet wave trains. the value of n is
A) 1
B) 2
C) 4
D) 8
Q. . How many members can president of india nominate to rajya sabha
A)  9  
B)  10  
C)  11  
D)  12
Q. An electron of mass M kg and charge ‘e’ columbs travel from rest through a potential difference of V volts. The field energy of electron in joule is
A) MeV
B) eV/M
C) eV
D) e/V
Q. The manifestation of band structure in solids is a consequence of
A) Pauli's exclusion principle
B) Heisenberg's uncertainity principle
C) Bohr's principle  
D) Ohm's law
Q. the most suitable unit for expressing nuclear radius is
A) micron
B) nanometer
C) Fermi
D) angstrom
Q. in a halfwave rectifier the rms valve of the a.c component of the wave is
A) greater than d.c value
B) less than d.c value
C) equal to d.c value
D) zero
Q. what is the SI unit of Young modulus of elasticity
A) dyne/cm
B) newton/m
C) newton/m2
D) m2/s
Q. An ideal gas engine operates in a carnot cycle. it absorbs heat at a temperature T1 and exhaust heat at T2. the efficiency of this engine is
A) (T1-T2)/T1
B) (T1+T2)/T1
C) (T1-T2)/T2
D) T1/T2
Q. the present ages of A and B are 2:5. nine years ago their ages were in the ratio 1:4. find the present age of A
A) 18
B) 20
C) 22
D) 24
Today Challenging Question
Q. The total CP of two watches is Rs900 One is sold out 20% profit and other at a loss of 25% There is no gain and loss in whole transaction The CP of the cost in whole transaction on which the shopkeeper losses is
A) 400
B) 450
C) 500
D) 540
4 members solved
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