Question
What type of force holds together the layers of
graphite?Solution
Graphite consists of carbon atoms arranged in layers of hexagonal lattices. These layers are loosely held by weak van der Waals forces, allowing them to slide over one another easily β a property that makes graphite useful as a lubricant and in pencils.
If 'P' denotes 'multiplied by, 'T' denotes 'subtracted from, 'M' denotes' 'added to' and 'B' denotes 'divided by, then what should be the correct respon...
βA # Bβ means βA is the brother of Bβ.
'A @ B' means 'A is the daughter of B'.
βA & Bβ means βA is the husband of Bβ.
...Arrange the words given below in a meaningful sequence:
(1) Poverty
(2) Population
(3) Death
(4) Unemployment
(5) Disease
A question is given, followed by two statements labelled I and II. Identify which of the statements is/are sufficient/necessary to answer the question.οΏ½...
βA # Bβ means βA is the brother of Bβ.
βA @ Bβ means βA is the daughter of Bβ.
βA & Bβ means βA is the husband of BοΏ½...
If β-β means βΓ·β, βΓβ means β+β, βΓ·β means βΓβ and β+β means β-β what will be the value of the following expression?...
Statements:
Some apples are oranges.
All oranges are fruits.
Conclusions:
I) All apples are fruits.
II) Some frui...
Shilps and Radhika started walking from two different points, 'A' and 'B', respectively. Shilpa walks 4 km North, turns to the East and walks 6 km, agai...
Three of the following four letter-clusters are alike in a certain way and thus form a group. Which is the letter-cluster that does NOT belong to that g...
If BANKER is coded as CAMKFR, then how would INDIAN be coded?
Relevant for Exams:
