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Worksheetsscience Quiz
Total questions: 45
Worksheet time: 27mins
What is the Sl unit of current?
Ohm
Ampere
Metre
Volt
What is the unit of measurement for optical power of the lens?
Yotta
Katal
Radian
Diopter
What is the unit of specific resistance?
Farad
Ampere
Coulomb
Ohm meter
Which famous experiment was done by Michael Faraday in 18317
A) Discovery of quantum magnetometers
B) Discovery of law of elasticity
C) Discovery of electromagnetic induction
D) Discovery of natural radioactivity
Which of the following is NOT a unit of energy?
A) Joule
Calorie
Newton
Kilowatt hour
Which of the following statements is NOT correct?
Light year is the unit of distance.
Light year is the distance travelled by light in one year.
Light year is the unit of time.
Angstrom is unit of length.
What was the name of the wind measuring instrument invented for the first time in 1450?
Transmissometer
Dropsonde
Anemometer
Ceiling Projector
Identify the INCORRECT pair regarding motion and their examples?
Translatory motion -A ball falling from the cliff
Periodic motion-Hands of a clock
Oscilatory motion -Earth moving around the sun
Rotatory motion -blades of a fan
Which of the following two quantities have the same dimensions?
Work and torque
Power and moment of inertia
Work and angular displacement
Power and radius of circular motion
What happens when two forces act in the opposite directions on an object?
The net force acting on the object is the difference between the two objects.
The net force acting on the object is the difference between the two torces.
The net force acting on the object is the total of the two forces.
The net force acting on the object is the sum of the two objects.
If a bar magnet is hung from a string, in which direction does its north pole point?
West
North
East
South
In the Right-Hand Thumb Rule, the thumb is directed towards the direction of.:
current
electric field
motion of the conductor
magnetic field
In the context of vernier calliper, an internal jaw is used to measure:
the length correct up to 1 mm
the depth of a beaker
the length of a rod and diameter of a sphere
the internal diameter of a hollow cylinder and pipes
Calorimeter is a small container made of a thin sheet of______with good thermal conductivity
silver
platinum
copper
cesium
An electric iron requires___fuse to prevent short circuiting
4 A
3A
2A
5A
A small object is placed on the focus on the left side of a convex lens, Where will be the image formed?
At the centre on the right side of the lens.
At infinity on the left side of the lens.
C) At infinity on the right side of the lens
D) At the focus on the right side of the lens.
Which of the following is the correct relationship?
F= a/m
F m/a
F= m^2.a
F= ma
Which is the nearest planet to the Sun?
Uranus
Jupiter
Mercury
Saturn
Which of the following is NOT applicable to force?
Force may change the shape of an object
Force may change the direction of a moving object
Force may increase the mass of the object
Force may make an object move
Who was the first to use the term horsepower that refers to the power produced by an engine?
John Dalton
Amedeo Avogadro
Albert Einstein
James Watt
Which of the following statements is correct?
Mars is the warmest planet.
The size of Jupiter and Mars is similar.
The size of Earth and Venus is almost similar.
The density of Saturn is similar to that of Earth.
For which of the following discoveries in 1827 was the German physicist, Georg Simon Ohm best known?
For clarifying the mathematical relationship between electrical current, resistance and voltage
For invention of the magnetometer, which is a device capable of measuring the direction and strength of a magnetic field
For developing a device capable of amplifying and modulating electromagnetic signals that could also function as an Oscillator
For measuring the magnetic properties of nuclear particles
In an electrical circuit, the ammeter reading decreases to______________ when the length of the wire is doubled.
one-sixth
one-half
one-fourth
one-third
What is the wavelength range of visible light?
0.2 to 0.3 um
0.7 to 0.9 um
0.4 to 0.7 um
1 to 2 um
Who proposed that 'Light is made up of waves propagating perpendicular to the direction of its movement?
Newton
Huygens
Kepler
Pauli
Who among the following confirmed Maxwell's theories with the discovery of radio waves and also became the first person to transmit and receive controlled radio waves in 1886?
Michael Faraday
Andre-Marie Ampere
Guglielmo Marconi
James Maxwel
Which of the following statements is INCORRECT regarding the Coriolis force?
It is absent at the equator.
Deflection is less when the wind is high.
It deflects the wind to the right in the north and left in the south.
It is directly proportional to the angle of altitude.
Who among the following discovered that a wire carrying electric current can attract or repel another wire next to it that's also carrying electric current?
John Couch Adams
Johann Gottried Galle
Urbain-Jean-Joseph Le Verrier
Percival Lowell
Who calculated the approximate location of the planet Neptune by studying gravity-induced disturbances in the motion of Uranus?
John Couch Adams
Johann Gottried Galle
Urbain-Jean-Joseph Le Verrier
Percival Lowell
In which year did Galileo describe the regular, swinging motion of a pendulum by the action of gravity and acquired momentum?
1605
1600
1599
1602
In 1835, who developed the process of applying a thin layer of metallic silver to one side of a clear glass pane and created the first mirror?
CV Raman
Victor Francis Hess
CH Townes
Justus von Liebig
Which type of electromagnetic radiation was discovered by Johann Wilhelm Ritter in 1801?
X-rays
Ultraviolet rays
Infrared rays
Gamma rays
In which year did Eric A. Comell, Wolfgang Ketterle and Carl E. Wieman receive the Nobel Prize in Physics for achieving 'Bose-Einstein condensation in dilute gases of alkali atoms?
2002
2000
2001
2003
Identify the INCORRECT pair regarding the material media and their refractive index?
Sapphire-1.77
Kerosene-1.44
Ruby-1.71
Benzene-2.42
In which year did Hans Christian Oersted discover that a compass needle gets deflected when an electric current passes through a metallic wire placed nearby?
What is the frequency () of a wave with a period of 0.04 seconds?
25 Hz
40 Hz
100 Hz
50 Hz
Find the acceleration (in m/s²) of a body which accelerates from 5 m/s to 10 m/s in 2 seconds.
7.5 m/sec²
5 m/sec²
10 m/sec²
2.5 m/sec²
If four resistances of 4 ohm each are connected in parallel, what will be their effective resistance?
4 ohm
10 ohm
1 ohm
16 ohm
Calculate the Body Mass Index (BMI) of a person whose weight is 50 kg and height is 1.5 m.
22.2 kg/m²
25.0 kg/m²
16.6 kg/m²
18.0 kg/m²
Which of the following options has all vector quantities?
Force, Velocity, Momentum, Energy and Power
Force, Velocity, Momentum, Weight and Acceleration
Force, Velocity, Momentum, Energy and Acceleration
Power, Momentum, Energy, Speed and Work
Why will a person weigh more at the north or south pole?
Due to Earth's distance from the sun
Due to variation in centripetal force of earth with altitude
Due to variation in centrifugal force of earth with latitude
At 1 bar pressure, the volume of a fixed amount of hydrogen gas is 2.27 litre. What will be the volume if the pressure is kept at 0.2 bar?
Four resistors of equal resistance R each are connected in various possible ways both in series and/or parallel to get different combined resistances. Which of the following values of resistance cannot be achieved by using all the four resistors?
In a metro station, it was observed that on an average 20 people per minute were using the escalator to reach at a height of 15 metres. Calculate the power of the escalator assuming the average mass of people to be 50 kg and acceleration due to gravity to be 10 m/s.
Two masses of 1 kg and 2 kg were dropped from a height of 3.2 metres. Their respective velocities just before touching the ground will be:
