Select the incorrect match from the following.
AIncisor – Scissors
B Canine – Fork
CPremolar – Knife
DMolar – Grinder
I think the molar[s] DO grind the food
The given things can be dangerous as they all
A Have sharp edges which can cut your hands
B Can catch fire easily and can burn you
C Are chemicals and can be harmful
D None of these.
Which of the following statements is incorrect ?
(A) Rotten garbage can be used as manure for plants
(B) Materials made up of glass take thousand of years to decompose
(C) We should put garbage in plastic bags and throw it away
(D) Burning of plastic leads to cancer.
They have asked which action is incorrect.
Megha used the five items shown in the picture to learn more about magnets.
Which one of the following is not a possible observation for Megha when all 4 rings are placed one on top of the other through the wooden stand?
The answer can be C option.
Study the distance time graph of a toy car given here and choose the incorrect statement from the following.
(A) The toy car is fastest during first 10 seconds
(B) The toy car is slowest in between 10 and 20 seconds
(C) Distance travelled during last 10 seconds is 5 m
(D) None of these.
The answer should be A but they are telling the answer is C.Please someone answer to my question.
Ans 1: (Master Answer)
Alpha particles leaves the nucleus of an unstable atom at a speed of 16,000 kilometres per second, around a tenth the speed of light.
Beta particles travel at a speed of 270,000 kilometres per second, around 98% of speed of light.
Gamma particles travel at the speed of light.