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Syllabus

what is a light year? One light year is how many K.M.?

Why 1ml is equal to 1cm3?

what are the two conventional units of temeperature

fundamental intervals of a thermometer?What was the unit of time in ancient days

what is the difference between clinal termometer,laboratory thermometer and six's thermometer?

what is measurment

State 2

Multiples& 2 Sub MultiplesofMass,Length,Time,Current,Temperature.Please answere quick because tomorrow!

WHAT IS MERCURY ?Define length and write its SI unit

how to convert cm into m ?

convert 370K into Celsius scale

Find the odd one out. Give a reason for your choice

why is the stem of the thermometer made up of thick glass?

what are fundamental units?

THINK AND ANSWER

Saira bought a 30 m long readymade fence. What is the largest rectangular area she can fence?

HOW CAN WE MEASURE THE VOLUME OF A CUREVED STONE BY A MEASURING CYLINDER?

WHY SHOULD WE USE THE STANDARD LENGTH OF MEASUREMENTDefine measurment.

what is parralax error?

calculate the volume of an object of mass 280kg if the density of wood is 800kg per metre cube

Answer the following questions:

what is temperature

If digital thermometers do not contain mercury, how does it measure temperature?

And explain with method

Q. Make the following conversions.

a. 10 m to ft

Hello sir,

I am sahil, I want to tell you that many of times I can't see some questions on my screen. i always answer all questions which are displayed and if all are right answers my correct percentage is not 100% as i cant solve the questions which are not displayed. what to do?why this happens? i want to solve all 20 questions every time.where i have to complaint about this? please help

thank you. please do the needfull.

Sah

what is a handspan

give 50 one word question and answers on fundamental quantity of measurements.

Explain when there is a change in the length of a solar day.

State 2

Multiples& 2 Sub MultiplesofMass,Length,Time,Current &Temperature.Please answere quick because tomorrow!

How can we find the average speed of a journey when one-fourth of the journey is travelled by a particular velocity and remaining journey by another velocity?

what is the thickness of a string which is wound around a pencil 20 times and width of each turn is 2cm and 5mm

what are the two pairs of the measurements of a physical quantity.

Write any two adventage to use scale.

what do you mean by scale and unit

what is physical quantity.

Define one yard

who invented the SI units

1. A stone is dropped from rest and falls freely under the gravity . Calculate the disctance covered by it in the first two seconds (G=10m/s2)

2. A body initially at rest ravels a distance 100 m in 5s with a constant acceleration. Calculate (1) the acceleration (2) final velocity at the end of 5s.

3, Follwing fig show v-t graph for a body in motion. Use it to find the displacement of a body at t=4s

Unable to draw the diagram on this sheet

which country invented non standard units

WHEN WILL OUR BODY WEIGHT WILL BE ZERO ?

why scientists have created the S.I units of measurement?

1] length

2] mass

3] temperature

4] time