More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
Physics General Science Test Medium Mode MCQs With Answers
Question # 1
When electrons in the transmitting antenna vibrate 94000 time per second, they produce radiowaves having frequency
Choose an answer
9.4 kHz
940 kHz
94 kHz
None of these
Previous
Skip
Next
Question # 2
The unit of thermodynamical scale is
Choose an answer
centigrade
fahrenheit
kelvin
none of them
Previous
Skip
Next
Question # 3
A grating with high resolving power can distinguish _______ difference in wavelengths :
Choose an answer
Smaller
Larger
Zero
None of these
Previous
Skip
Next
Question # 4
The commercial unit of electrical energy is :
Choose an answer
K Watt
KWH
Horse power
Joule
Previous
Skip
Next
Question # 5
The circuit which is used to smooth the output voltage of the full-wave rectification is known as
Choose an answer
transformer
rectifier
filter
none of these
Previous
Skip
Next
Question # 6
In case of constructive interference of two waves, the amplitude of the resultant wave is _______ either of the waves:
Choose an answer
Greater than
Equal to
Smaller than
None of these
Previous
Skip
Next
Question # 7
If one end of a rubber cord is fixed with a support and the other end is wiggled by hand, the waves generated on the card are:
Choose an answer
Stationary waves
Transverse waves
Both of these
None of these
Previous
Skip
Next
Question # 8
In bringing an electron towards another electron, electrostatic potential energy of system
Choose an answer
Decreases
Increases
Remains uncharged
Becomes zero
Previous
Skip
Next
Question # 9
Acceleration in a body is always produced in the direction of :
Choose an answer
Velocity
Weight
Force
Both B and C
Previous
Skip
Next
Question # 10
At resonance frequency the impedance of parallel resonance circuit is
Choose an answer
Maximum
Minimum
Zero
None of the above
Previous
Skip
Next
Question # 11
Referring to above figure, current in coil P falls from its maximum value to zero
Choose an answer
At the instant the switch is closed
At the instant the switch is opened
When switch is kept open
When switch is kept closed
None of these
Previous
Skip
Next
Question # 12
For interference to occur the two light waves should be:
Choose an answer
Of two different frequencies
Coming from opposite directions
Of high intensity
Monochromatic
Previous
Skip
Next
Question # 13
The diffraction is found to be prominent when the wavelength of light is
Choose an answer
small as compared with the size of obstacle
large as compared with the size of obstacle
equal as compared with the size of obstacle
Very small as compared with the size of the obstacle
Previous
Skip
Next
Question # 14
The vector sum of three vectors gives a zero resultant. What can be the orientations
Choose an answer
90
o
60
o
120
o
180
o
Previous
Skip
Next
Question # 15
The dimensional formula of angular velocity is:
Choose an answer
M
°
L
°
T
-1
MLT
-1
M
°
L
°
T
-1
Previous
Skip
Next
Question # 16
Newton's laws are suitable, for as compared to velocity of light
Choose an answer
Low speed
Very low speed
Very high speed
None of these
Previous
Skip
Next
Question # 17
The ratio of SI units to CGS units of gravitational constant G will be
Choose an answer
10
-3
10
10
2
10
3
Previous
Skip
Next
Question # 18
Solar energy at normal incidence outsides the Earth atmosphere is about
Choose an answer
1.043 Wm
-2
1.2 Wm
-2
1.4 Wm
-2
1.67 Wm
-2
Previous
Skip
Next
Question # 19
A we go from the equator to the poles, the value of weight
Choose an answer
Remains the same
Increases
Decreases
Decreases up to a latitude of 45
°
Previous
Skip
Next
Question # 20
Whenever a body moves from one position to another, the change in its position is called
Choose an answer
Motion
Displacement
Distance
None of these
Previous
Skip
Next
Question # 21
We are living in the age of
Choose an answer
Technology
Information technology
Space age
None of these
Previous
Skip
Next
Question # 22
Resistance of 60 watt bulbs in 120V line is:
Choose an answer
20 ohms
240 ohms
0.15 ohms
180 ohms
Previous
Skip
Next
Back