Bissoy.com
Doctors Medicines MCQs Q&A

Which of the following is used for measuring long time intervals?

Which of the following is used for measuring long time intervals? Correct Answer Radioactive dating

Radioactive dating is used to measure long time intervals by finding the ratio of the number of radioactive atoms that have undergone decay to the number of atoms left undecayed. Carbon dating is used to estimate the age of fossils, uranium dating is used to estimate the age of rocks.

Related Questions

Consider the following statements in respect of class intervals of grouped frequency distribution: 1. Class intervals need not be mutually exclusive. 2. Class intervals should be exhaustive. 3. Class intervals need not be of equal width. Which of the above statements are correct? 
World Bank has employed major dimensions to construct measures of governance. These dimensions are:
1. Voice and Accountability - measuring political, civil and human rights
2. Instability an d violence - measuring the likelihood of violent threats to or changes in government, including terrorism
3. Government effectiveness - measuring the competence of the bureaucracy and the quality of public service delivery
4. Regulatory burden - measuring the incidence of market, unfriendly policies
5. Rule of law - measuring the quality of contract enforcement, the police, and the courts, as well as the likelihood of crime and violence
Select the correct answer:
Which two of the following are true regarding the distance-vector and link-state routing protocols?
1. Link state sends its complete routing table out all active interfaces on periodic time intervals.
2. Distance vector sends its complete routing table out all active interfaces on periodic time intervals.
3. Link state sends updates containing the state of its own links to all routers in the internetwork.
4. Distance vector sends updates containing the state of its own links to all routers in the internetwork.
While teaching the correct method of measuring the volume of a solid using a measuring cylinder Kavita mentions the following steps (not in the correct sequence) to be followed: a. Note the reading of the level of water in cylinder b. Suspend the solid with a thread inside water in the cylinder c. Record the least count of the measuring cylinder d. Put sufficient water in the cylinder and note the reading Which one of the following is the correct sequence of steps for the said purpose?
Consider the following statements about the income calculation methods 1. The method of measuring the aggregate value of spending that the firms receive for the final goods and services which they produce is called the expenditure method. 2. The method of measuring the sum total of all factor payments is called the income method. 3. The method of measuring the aggregate value of final goods and services produced by all the firms is called the product method. Which of the statements given above is/are correct?
Which of the following are used for accurately measuring very small time intervals ?
Which of the following are used for accurately measuring very small time intervals?
Which of the option is correct for given statements about measuring jaws types? Statement 1: Nominal sizes of measuring jaws are engraved on front end face. Statement 2: In Type B measuring jaws, no dimension is important.
A cuboid shaped wooden block has 6 cm length, 4 cm breadth and 1 cm height.
Two faces measuring 4 cm x 1 cm are coloured in black.
Two faces measuring 6 cm x 1 cm are coloured in red.
Two faces measuring 6 cm x 4 cm are coloured in green.
The block is divided into 6 equal cubes of side 1 cm (from 6 cm side), 4 equal cubes of side 1 cm(from 4 cm side). How many cubes will have green colour on two sides and rest of the four sides having no colour ?
The histogram shows the marks scored by 40 students in test with maximum 30 marks. What is the ratio of the number of students who scored marks in the class intervals 10 - 15 and 15 - 20 taken together to that of the students in the class intervals 5 - 10 and 25 - 30 taken together?