हिंदी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान कक्षा ११

How many significant figures are present in the 500.0?

Advertisements
Advertisements

प्रश्न

How many significant figures are present in the 500.0?

एक पंक्ति में उत्तर
Advertisements

उत्तर

500.0 - There are 4 significant figures.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 1: Some Basic Concepts of Chemistry - EXERCISES [पृष्ठ २७]

APPEARS IN

एनसीईआरटी Chemistry Part 1 and 2 [English] Class 11
अध्याय 1 Some Basic Concepts of Chemistry
EXERCISES | Q 1.19 - (v) | पृष्ठ २७

वीडियो ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्न

Round up the following upto three significant figures:

34.216


How many significant figures should be present in the answer of the following calculation?

5 × 5.364


How many significant figures should be present in the answer of the following calculation?

0.0125 + 0.7864 + 0.0215


You are given a thread and a metre scale. How will you estimate the diameter of the thread?


A screw gauge has a pitch of 1.0 mm and 200 divisions on the circular scale. Do you think it is possible to increase the accuracy of the screw gauge arbitrarily by increasing the number of divisions on the circular scale?


A LASER is a source of very intense, monochromatic, and unidirectional beam of light. These properties of a laser light can be exploited to measure long distances. The distance of the Moon from the Earth has been already determined very precisely using a laser as a source of light. A laser light beamed at the Moon takes 2.56 s to return after reflection at the Moon’s surface. How much is the radius of the lunar orbit around the Earth?


A SONAR (sound navigation and ranging) uses ultrasonic waves to detect and locate objects under water. In a submarine equipped with a SONAR the time delay between generation of a probe wave and the reception of its echo after reflection from an enemy submarine is found to be 77.0 s. What is the distance of the enemy submarine? (Speed of sound in water = 1450 m s–1).


State the number of significant figures in the following: 

6.032 N m–2


Just as precise measurements are necessary in science, it is equally important to be able to make rough estimates of quantities using rudimentary ideas and common observations. Think of ways by which you can estimate the following (where an estimate is difficult to obtain, try to get an upper bound on the quantity):-

the wind speed during a storm


Which of the following has the highest number of significant figures?


The mass and volume of a body are 4.237 g and 2.5 cm3, respectively. The density of the material of the body in correct significant figures is ______.


The length and breadth of a rectangular sheet are 16.2 cm and 10.1cm, respectively. The area of the sheet in appropriate significant figures and error is ______.


Calculate the length of the arc of a circle of radius 31.0 cm which subtends an angle of `pi/6` at the centre.


Significant figures in a measurement include which of the following?


How many significant figures are present in the measurement 2007 grams?


What is the least count of a measuring instrument?


How many significant figures are there in the number 0.001405?


Which of the following numbers has 4 significant figures?


The radius of Earth is expressed as 0.64 × 10⁷ m in scientific notation. What is its order of magnitude and number of significant figures?


A length L is measured as 125 m, which is also written as 12500 cm and 125000 mm. How many significant figures does this measurement have?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×