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Important Questions on Units and Measurements

EASY
Physics>Mechanics>Units and Measurements>Dimensional Analysis and Its Applications
Time T, velocity C and angular momentum h are chosen as fundamental quantities instead of mass, length and time. In terms of these, the dimensions of mass would be:
MEDIUM
Physics>Mechanics>Units and Measurements>Dimensional Analysis and Its Applications
Expression for time in terms of G (universal gravitational constant), h (Planck constant) and c (speed of light) is proportional to:
EASY
Physics>Mechanics>Units and Measurements>Dimensional Analysis and Its Applications
Which of the following is a metalloid?
MEDIUM
Physics>Mechanics>Units and Measurements>Dimensional Analysis and Its Applications
How many elements are known till the end of 2020.
MEDIUM
Physics>Mechanics>Units and Measurements>Dimensional Analysis and Its Applications
Classify the given elements as metals, non-Metals and metalloids.
Na, O, As, Cl, W and Te 
EASY
Physics>Mechanics>Units and Measurements>Dimensional Analysis and Its Applications
What are elements?
MEDIUM
Physics>Mechanics>Units and Measurements>Dimensional Analysis and Its Applications
What is the need for the classification of elements?
EASY
Physics>Mechanics>Units and Measurements>Dimensional Analysis and Its Applications
What is meant by classification of elements?
MEDIUM
Physics>Mechanics>Units and Measurements>Dimensional Analysis and Its Applications
What is the importance of periodic table?
MEDIUM
Physics>Mechanics>Units and Measurements>Dimensional Analysis and Its Applications
Why do we need of classify elements?
MEDIUM
Physics>Mechanics>Units and Measurements>Dimensional Analysis and Its Applications
How many elements are present in the periodic table?
MEDIUM
Physics>Mechanics>Units and Measurements>Dimensional Analysis and Its Applications
The elements are broadly classified as
EASY
Physics>Mechanics>Units and Measurements>Dimensional Analysis and Its Applications
What do you mean by classification of elements?
HARD
Physics>Mechanics>Units and Measurements>Dimensional Analysis and Its Applications
What is the need for classification of elements?
EASY
Physics>Mechanics>Units and Measurements>Dimensional Analysis and Its Applications
Why is it necessary to classify the elements?
EASY
Physics>Mechanics>Units and Measurements>Dimensional Analysis and Its Applications
What is the need of classification of elements?
MEDIUM
Physics>Mechanics>Units and Measurements>Dimensional Analysis and Its Applications
What are the advantages of classifying elements in the periodic table?
EASY
Physics>Mechanics>Units and Measurements>Dimensional Analysis and Its Applications
What is the need for classification of elements?
MEDIUM
Physics>Mechanics>Units and Measurements>Dimensional Analysis and Its Applications
Why there is need for classification of elements?
MEDIUM
Physics>Mechanics>Units and Measurements>Dimensional Analysis and Its Applications
What is the need for the classification of elements?