Arteries carry blood from the heart to various organs of the body under high pressure so they have thick and elastic walls. Veins collect the blood from different organs and...
(a) Thomson’s model an atom can be considered as a watermelon in which red fleshy part represents positive charge whereas electrons (negative charge) are embedded in it similar to seeds.
(b)...
The mass per unit volume of a substance is called density (density = mass/volume).
As the volume of a substance increases, its density decreases.
Though ice is a solid, it has large...
Correct Answer is: (d)
Sound is transmitted by particles (atoms or molecules) in a solid, liquid or gas colliding with each other. It is a wave which is created by vibrating...
Oviparous animals lay eggs outside their body. As a result, the eggs of these animals are under continuous threat from various environmental factors. On the other hand, in viviparous animals,...
The correct statement is (c).
The diffusion of charge carriers across a junction takes place from the region of higher concentration to the region of lower concentration. In this case, the...
(i) Different elements discovered in different times were found to possess different physical and chemical properties. But, it was difficult to study all the information or properties of these elements....
(i) New technology was expensive and merchants and industrialists were Cautious about using it.
(ii) The machines often broke down and repairs were costly.
(iii) They were not much effective as compared to...
(i) New technology was expensive and merchants and industrialists were Cautious about using it.
(ii) The machines often broke down and repairs were costly.
(iii) They were not much effective as compared to...
The longer the length of string, the farther the pendulum falls; and therefore, the longer the period, or back and forth swing of the pendulum. The greater the amplitude, or angle, the farther the pendulum falls;...
1 Answers
1 views
Log in to ask questions, provide answers, or leave comments.
