Ground state energy of the 4th orbit in a H-atom is_____________?
Ground state energy of the 4th orbit in a H-atom is_____________?
A. 13.60 eV
B. 3.40 eV
C. 0.85 eV
D. 1.51 eV
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linear expansion occurs in_________?
linear expansion occurs in_________?A. solid
B. liquid
C. both
D. noneA voltage V = V0 cos ωt is applied across a resistor of resistance R the average power dissipated per cycle in the resistor is given by___________?
A voltage V = V0 cos ωt is applied across a resistor of resistance R the average power dissipated per cycle in the resistor is given by___________?A. V√/√2R
B. V/√2√R
C. V02/√2R
D. 2/√2√RThe product of the frequency and time period is equal to_________________?
The product of the frequency and time period is equal to_________________?A. 1
B. 2
C. 3
D. 4The charged particle enters the uniform magnetic field in such a way that its initial velocity is not perpendicular to the field the orbit will be__________________?
The charged particle enters the uniform magnetic field in such a way that its initial velocity is not perpendicular to the field the orbit will be__________________?A. a circle
B. a spiral
C. an ellipse
D. helixWhich one of the following has the greatest energy gap ?
Which one of the following has the greatest energy gap ?A. insulator
B. conductor
C. semi conductor
D. any of aboveWhich branch of science plays an important role in engineering?
Which branch of science plays an important role in engineering?A. Biology
B. Chemistry
C. Physics
D. All of these