Answer: The chemical formula of a compound is a symbolic representation of its chemical composition. Chemical formulae provide insight into the... View Article
Given Runs to comlete = 10,000 Runs scored= 6,980 Find out We have to determine how many more runs does he need Solution To determine how... View Article
Answer: The hour hand of the clock revolves by 360 degree or 4 right angles in 1 complete round. The hour hand of a clock revolves by 90... View Article
Given Time taken by the sonar pulse to return, t = 1.02 s Speed of sound in saltwater, v = 1531 ms-1 Find out We have to determine how far... View Article
Answer: Inertia is the measure of the mass of the body. The greater is the mass of the body; the greater is its inertia and vice-versa. (a)Â The... View Article
Answer: Number of Protons = 8 Number of Electrons = 8 Number of neutrons = 7 Atomic Number = Number of electrons = Number of protons (i) The... View Article
Correct option: A)Â Hot and humid The climate of the rainforest is hot and humid due to high temperature and plenty of rainfall throughout the... View Article
a) The source of energy that replenishes in nature is known as a renewable source of energy. Sun, wind, moving water, bio-mass, etc. are some of... View Article
Answer: We may observe that in 1 complete clockwise revolution, the hour hand will rotate by 360° The situation from 3 to 9 on the clock the... View Article
The smell of hot sizzling food reaches you several metres away, but you have to go close to get the smell from cold food. Particles of hot... View Article
Naphthalene undergoes sublimation easily, i.e., the change of state of naphthalene from solid to gas without the intervention of the liquid... View Article
Answer: Amount of diesel present in the first tank = 403 litres Amount of diesel present in the second tank = 434 litres Amount of diesel... View Article
Given A vendor supplies 32 litres of milk to a hotel in the morning and 68 litres of milk in the evening. Find out We need to find if the milk... View Article
Time is taken to hear the echo, t = 5 s Distance of the object from the submarine, d = 3625 m Total distance travelled by the sonar waves... View Article
Correct option: (d)Either plane or convex In-plane mirrors, the image is always erect. In convex, an image formed is virtual and erect for all... View Article
Three cells of potential 2 V, each connected in series therefore the potential difference of the battery will be 2 V + 2 V + 2 V = 6V. The... View Article
K, L, M, N indicate the shells. K denotes the first shell (or energy level), L the second shell, M, the third shell, etc. In other words, the... View Article
Answer: In Mathematics, LCM (The Least Common Multiple) of any two is the value that is evenly divisible by the two given numbers. (a) 9 and 4... View Article
(a) South and turn clockwise to west: One right-angle (b) North and turn anti-clockwise to east: Three right-angles (c) West and turn to west:... View Article
Answer: Here, the turn from east to the south is one right angle, from south to west is one right angle and from west to the north is one... View Article