Step 5: Take the measure of length and breadth of the playground in above ways. metric tonne. Question 25. (c) The amount of surface occupied by an object is called its: Question 1. How is it related to (i) quintal (ii) metric tonne and (iii) gram? Two devices used to measure the short time interval of an event are – (i) Pendulum clock (ii) A watch. Are they all same? (f) The normal temperature of human body is 37 °C or 98.6 °F. (c) The amount of surface occupied by an object is called its: (1) What is measurement? i) 10 oC II) -20 oC iii) 0 oC iv) 5 oC 9) Convert the following temperatures to the Celsius scale. Irt shoud not change with the change of place of time. State its special features. unit of length is ______ of time is _____, of mass is _____, (d) The zero mark in celsius thermometer is the melting point of _____. This thermometer has the markings from 35°C to 42°C. Question 22. The total surface occupied by an object is called its surface area. one common unit of temperature. Write their symbols also. The difference of the two readings gives the length of the object. Are they all same? From position A the length of PQ is 3.5 cm. In short form, it is written as kg. The S.I. (ii) Temperature of boiling is 100 degree celsius. Question 24. unit of temperature is kelvin(K), but the common unit of temperature is degree Celsius (°C) and degree fahrenheit (°F). The diagram below shows a stick placed along a metre RULER. It has a scale from 35°C to 42°C. Write the construction of clinical thermometer. Performance & security by Cloudflare, Please complete the security check to access. (i) Temperature of melting ice is 0 degree celsius. It has a slight bend or kink in the stem just above the bulb. Your email address will not be published. Question 2. g (f) 5 mg = ………. Ans. The standard weight are put on the right pan. (adsbygoogle = window.adsbygoogle || []).push({}); (1) Write true or false for each statement: (a) S.I. One square metre is the area of a square of each side one metre. The difference of the two readings gives the length of the object. The SI unit of area is square metre (m2). Write their names and symbols. Answer: The mass of a body is the quantity of matter contained in it. The body whose mass is to be measured is placed on the left pan. The S.I. Length of stick PQ from Position A =3.4 cm Position B = 3.2 cm Position C = 3.00 cm No they are not same. (19) Name the instrument used for measuring temperature of a person. State its special feature . Answer: One metre is defined as the distance travelled by light in air in $$\frac { 1 }{ 299,792,458 }$$ of a second Multiple of metre = Kilometre Submultiple of metre = Centimetre, Question 6. (b) Which is the correct position of the eye? How is it indicated in a clinical thermometer ? False, (e) The area can be expressed as the product of length of two sides. system, the unit of mass is pound (symbol lb). unit of time is hour. unit of mass. Now the position of the other end of the object is read on the scale. How is a measurement expressed ? and F.P.S. Answer: In our daily life we measure the following four basic physical quantities. Tme. (b) Sometimes the ends of the ruler get damaged with use and its zero mark may not be visible. (25) Name the SI unit of area and define it. A graph paper has small squares of each side 1 mm. To measure a length accurately with a metre ruler, the scale should be placed with its markings close to the object and parallel to its r length. View Answer. (a) The S.I. Ans. How is it related to (i) minute (ii) hour, (iii) day and (iv) year ? Describe in steps how you will use it. unit of mass is kilogram (kg). In C.GS. (e) Area can be expressed as the product of lengths of two sides. Question 5. Convert the following quantities as indicated: (a) 2500 kg = ………. (27) Explain how you will the measure the area of (i) a square (b) a leaf? (22) What is the normal temperature of the human body? This kink prevent the mercury from falling back all by itself. Define one metre, the S.I. The diagram or the structure of the Neuron is useful for both Class 11 and 12 board exams as it has been repetitively asked in the board examinations. Diagram Of … (c) 1 metric tonne = 1000 kg (d) The zero mark in Celsius thermometer is the melting point of ice (e) The thermometer used to measure the human body temperature is called the clinical thermometer. Sometimes it is necessary to make an exact measurement. How is it related to (i) quintal (ii) metric tonne and (iii) gram. The S.I. ICSE SolutionsSelina ICSE SolutionsML Aggarwal Solutions. Answer: Measurement is a comparison of an unknown quantity with a known fixed quantity of the same kind. What is a clinical thermometer ? unit of time is second. Answer: The total surface occupied by an object is called its area or surface area. Ignore the squares which are less than half. Ans. This constriction prevents the mercury from falling back all by itself. Ans. Answer: A clinical thermometer consists of a long, narrow, uniform glass tube. Can a clinical thermometer be used to measure the temperature of the boiling water ? Draw a diagram if necessary. The end Q of the pencil is read by keeping the eye at the position ‘B’ vertically above the end Q. (i) To find the area of square we have to measures its one length. Draw its outline on the paper and remove it. Your IP: 167.71.218.210 ‘B’ is the correct position of the eye. This kink prevent the mercury from falling back all by itself. Our senses are not always reliable. State its special features. Define one kilogram, the S.I. The observation of a phenomenon is made possible by using the five senses: sight, smell, touch, hearing and taste. (10) Define mass. unit and (ii) one common unit of temperature. What does the temperature measure ? Question 7. (g) The ______ of an object is measured with the help of a beam balance. True, (c) Mass is the measure of quantity of matter. So the length of pencil is 4.3 cm. The end P of the pencil coincides with the zero mark on the ruler. 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(a) To measure the length of a pencil with a meter scale, the scale is placed with its marking close to the object. They are so adjusted that the beam is again horizontal on holding the balance up. 1 min = 60 s 1 h = 60 min. One metre is defined as the distance travelled by light in air in 1/299,792,458 of a second. Selina Publishers Concise Physics for Class 6 ICSE Solutions all questions are solved and explained by expert teachers as per ICSE board guidelines.

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