CURIOUSITY QUIZ: MOTION AND TIME

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Test Your knowledge on 'Motion and Time' prepared exclusively according to the NCERT science curriculum for Class-7 . Attempt all the questions by clicking on the right option. Submit the completed Form by clicking the 'Submit' button at the end of the Form. Get your Score and the correct Answer by clicking the 'View score' button. Good Luck!

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Who first investigated into the nature and behaviour of a Simple Pendulum by observing a swinging lamp in a Church that eventually led to the invention of pendulum clocks?

1 point

Newton of England

Galileo of Italy

Plato of Greece

Eratosthenes of Alexandria

Clear selection

Time taken by a Pendulum to complete one oscillation is called :

1 point

Frequency

Time Period

Amplitude

Time Interval

Clear selection

The metallic sphere attached to the string of a Simple Pendulum that undergoes an oscillatory motion is called :

1 point

Ball

Mass

Bob

Body

Clear selection

What is the basic unit of time ?

1 point

Hour

Minute

Milisecond

Second

Clear selection

The Time period of a Simple Pendulum depends only on the :

1 point

Mass of the Bob

Length of the String

Both Mass of the Bob and the Length of theString

The nature of the rigid support and the type of inextensible thread

Clear selection

Small time intervals such as one microsecond and one nanosecond measures :

1 point

One millionth and one thousandth parts of a second respectively.

One thousandth and one billionth parts of a second respectively.

One billionth and one millionth parts of a second respectively.

One millionth and one billionth parts of a second respectively.

Clear selection

The estimated age of our Solar System is :

1 point

4.5 lakh years

4.5 million years

4.5 billion years

4.5 crore years

Clear selection

What is the velocity at which an earth orbiting satellite to be injected into orbit by the carrier rocket so that it will constantly revolve around the Earth maintaining a fixed distance from its surface without falling ?

1 point

8 km/s

11.2 km/s

8 km/h

8 m/s

Clear selection

The device that measures the distance travelled by a vehicle is named as :

1 point

Distance Meter

Milemeter

Pedometer

Odometer

Clear selection

The Jantar Mantar of Delhi, built by the Maharaja Jai Singh II of Jaipur in the year 1724, has a huge sundial . How does the sundial work ?

1 point

The central pole of the device casts shadow on the calibrated quadrants indicating time.

The triangular gnomon of the device casts shadow on the ground which is calibrated into hours and minutes..

The triangular gnomon of the device casts shadow on the two calibrated quadrants indicating time.

The quadrants casts shadow on the calibrated gnomon of the device indicating time.

Clear selection

The distance-time graph for the motion of a racing car starting from rest is a :

1 point

Straight line

Curved line

A combination of curved line and straight line

Can't be said.

Clear selection

The distance-time graph for the descent of a parachute in air for most parts of its motion is a :

1 point

Curved line

Straight line

A combination of curved line and straight line

Can't be said.

Clear selection

The fastest operating train in India is Gatimaan Express that runs between Delhi and Jhansi. An estimate of its top speed may be :

1 point

160 km/min

160 m/s

160 km/h

160 mile/h

Clear selection

The fastest runner in women's category of 100 m race in India is Dutee Chand of Odisha. What might be an estimate of the timing she clocked ?

1 point

11 seconds

11.026 seconds

11.0026 seconds

11.26 seconds

Clear selection

Which organization in India is responsible for providing time keeping services for the country ?

1 point

Indian Bureau of Standards, New Delhi

Physical Research Laboratory, Ahmedabad

National Physical Laboratory, New Delhi

Indian Association of Weights and Measures, Bengaluru.

Clear selection

The triangular piece attached in a Sundial to cast shadow on a calibrated surface is generally called :

1 point

Shadow piece

Pointer

Gnomon

Dial

Clear selection

What is the shape of the Distance-Time graph for the motion of a body moving with constant velocity?

1 point

Curve

Straight line

Parabola

Can't be said

Clear selection

Which is the fastest living creature ?

1 point

Curve

Saker Falcon

Peregrine Falcon

Golden Eagle

Clear selection

What is the time interval called when measured from New Moon to New Moon?

1 point

Solar Month

Fortnight

Synodic Month

Year

Clear selection

By what factor , the speed of a train in km/h unit has to be multiplied to express in m/sec unit ?

1 point

5/18

18/5

6/13

1/60

Clear selection

How many times our heart ( for a normal person) beats per second ?

1 point

72 times

60 times

1.5 times

1.2 times

Clear selection

For which type of motion of a body, the Average Speed and the Actual Speed are same ?

1 point

Uniform motion

Rectilinear motion

Accelerated motion

Circular motion

Clear selection

Suppose we double the Mass of the Simple Pendulum keeping all other parameters fixed. How will be the Period of oscillation of the Simple Pendulum affected ?

1 point

The Period will remain the same as it only depends on the Length of the Pendulum.

Period will also get doubled.

Period will become half.

Can't be said exactly.

Clear selection

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