★ Study the given word grid carefully. What is the number of natural fibres and synthetic fibres, hidden in the grid?
Natural fibres------Synthetic fibres
Read the passage carefully and answer Q.
A train starts from rest and accelerates uniformly at 100 min_2 for 10 min. It then maintains a constant velocity for 20 minutes. The brakes are then applied and the train is uniformly retarded. It comes to rest in 5 minutes.
The maximum velocity retarded is
(A) 1000 m min-1
(B) 2000 m min-1
(C) 3000 m min-1
(D) 500 m
A pot full of water is put to boil on the stove. Which one of the graphs below shows the correct change in temperature over time?
The disease shown in the figure is caused due to the deficiency of
(A) Vitamin B
(C) Vitamin D
(D) Vitamin A.
The diagram shows a jar with the dimensions as shown. It contains a liquid of mass 3 kg and density 600 kg m-3. The pressure exerted by the liquid on the base of the jar is
(Take g = 10 m s-2)
A1.2 × 103 Pa
B2.4 × 103 Pa
C1.2 × 105 Pa
D2.4 × 105 Pa
how to solve it please ?