Options:
- A. Magnetic field
- B. Electric field
- C. Electromagnetic force
- D. Artificial gravitational field
View Answer
C. Electromagnetic force
Physics
The frequency of a circuit consisting of a capacitance C and a resistor R is________________?
Options:
- A. C/R
- B. R/C
- C. 1/RC
- D. 1/ 2RC
View Answer
C. 1/RC
The rectangular coordinate system is also called______________?
Options:
- A. Polar coordinate system
- B. Cartesian coordinate system
- C. Cylindrical coordinate system
- D. Spherical coordinate system
View Answer
B. Cartesian coordinate system
What is the angle that the given vector makes with y-axis and A=2i+3j ?
Options:
- A. 30
- B. 60
- C. 90
- D. 120
View Answer
B. 60
A body in equilibrium__________________?
Options:
- A. Always at rest
- B. Always in uniform motion
- C. May be at rest or in uniform motion
- D. May be at rest or in motion
View Answer
C. May be at rest or in uniform motion
Mass defect per nucleon is ___________________?
Options:
- A. The binding energy of the nucleus
- B. Packing fraction
- C. The average energy of the nucleus
- D. All of above are one and the same thing
View Answer
B. Packing fraction
If moon radius is 1600 km and g on its surface is 1.6 ms-2 then the escape velocity on the moon is ___________________?
Options:
- A. 1600 ms-1
- B. 50.6 ms-1
- C. 71.6 ms-1
- D. 2263ms-1
View Answer
B. 50.6 ms-1
Gravitational P.E of a body has____________________?
Options:
- A. no formula
- B. a formula mgh only
- C. a formula
- D. no general formula
View Answer
D. no general formula
Very weak magnetic fields are detected by___________________?
Options:
- A. Squids
- B. Magnetic resonance imaging (MRI)
- C. Magnetometer
- D. Oscilloscope
View Answer
A. Squids