Question No.1
The SI unit of Work and energy is ______
- Hertz
- Joule
- Watt
- None of these
Select Answer
Correct Answer: ( B )
Question No.2
Which of these liquids has the highest viscosity?
- Milk
- Water
- Syrup
- Pineapple juice
Select Answer
Correct Answer: ( C )
Question No.3
What is the power of the concave lens?
- Positive
- Negative
- Both of these
- None of these
Select Answer
Correct Answer: ( B )
Question No.4
The SI unit of Electrical Capacity is _______
- Farad
- Ohm
- Ampere
- Volt
Select Answer
Correct Answer: ( A )
Question No.5
The magnet is strongest near the
- Poles of the magnet
- Only at south pole of magnet
- Centre of magnet
- None of these
Select Answer
Correct Answer: ( A )
Question No.6
What is the viscosity of an ideal fluid?
- Zero
- One
- Equal to its mass
- Equal to its weight
Select Answer
Correct Answer: ( A )
Question No.7
A body in equilibrium ___________
- is always at rest
- Can move with constant acceleration
- Can move with variable acceleration
- Can move with constant velocity
Select Answer
Correct Answer: ( D )
Question No.8
AV = constant, where A = area of cross-section and V= velocity of fluid. This equation is known as________
- Equation of continuity
- Equation of discontinuity
- Equation of sustenance
- None of these
Select Answer
Correct Answer: ( A )
Question No.9
During _________ motion of an object along a straight line, the velocity remains constant with time.
- Linear
- Translational
- Circular
- Uniform
Select Answer
Correct Answer: ( D )
Question No.10
Find the current (in Ampere) when a charge of 220 Coulomb flows in 20 seconds.
- 20
- 15
- 11
- 22
Select Answer
Correct Answer: ( C )
$ I= {Q \over t }$
$ I= {220 Coulomb \over 20sec } = 11 Ampere$
Question No.11
If an object covers unequal distances in equal intervals of time, it is said to be in _________ motion.
- Uniform
- Non-uniform
- linear
- None of these
Select Answer
Correct Answer: ( B )
Question No.12
Which of the following technological inventions came first?
- Telescope
- Telephone
- Telegraph
- Teletype
Select Answer
Correct Answer: ( A )
Question No.13
Calculate the Heat generated (in Joule) in a heating element of resistance 500 ohm, when a current of 0.2 A passes through it for 15 seconds.
- 350
- 1800
- 150
- 300
Select Answer
Correct Answer: ( D )
$ H = I^2 RT$
$Heat = (0.2)^2 \times 500 \times 15 $
Question No.14
If the Distance-Time graph is a curve then it represents________
- Uniform speed
- Non-uniform speed
- Constant displacement
- Uniform momentum
Select Answer
Correct Answer: ( B )
Question No.15
Instrument for measuring wind velocity is called_______
- Cyanometer
- Wind vane
- Anemometer
- Chronometer
Select Answer
Correct Answer: ( C )
Question No.16
Sound waves are ___________ waves
- Longitudinal
- Transverse
- Electromagnetic
- None of these
Select Answer
Correct Answer: ( A )
Question No.17
Which of the following is an electromagnetic wave?
- Cathode ray
- Sound wave
- Infrared ray
- Ultrasonic wave
Select Answer
Correct Answer: ( )
Question No.18
1 watt-hour equals to ________
- 360 joules
- 3600 joules
- 36000 joules
- 720 joules
Select Answer
Correct Answer: ( B )
Question No.19
Which type of radiation has the lowest penetrating ability?
- Alpha
- Beta
- Gamma
- All of these
Select Answer
Correct Answer: ( A )
Question No.20
The SI unit of Power is_____
- Volt
- Radian
- Watt
- Sterdian
Select Answer
Correct Answer: ( C )
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