Physics MSc

Q: If a signal is applied at non-inverting (+) input, it appears after amplification at its output terminal with a phase shift of

(a) :  0˚
(b) :  60˚
(c) :  90˚
(d) :  120˚
(e) :  180˚

Q: In case of spring-mass system, the ratio of the applied force to the displacement is called:

(a) :  Acceleration
(b) :  Spring constant
(c) :  Decay constant
(d) :  Planck's constant
(e) :  None of the Above
Answer:  Spring constant

Q: Which of the following is not a base unit/s:

(a) :  Ampere
(b) :  Kelvin
(c) :  Watt
(d) :  Candela
(e) :  None of the Above
Answer:  Watt

Q: The maximum possible error in the reading of an instrument is _______________ its least count :

(a) :   Half of
(b) :   Quarter of
(c) :   Equal to
(d) :   Double than
(e) :  None of the Above
Answer:   Half of

Q: When γ-radiation is emitted by an excited nucleus, both of its charge number and mass number:

(a) :  Increases
(b) :  Decrease
(c) :  Remain unchanged
(d) :  Both A and B
(e) :  None of these
Answer:  Remain unchanged

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