Related Questions

A boat will submerge when it displaces water equal to its own:
A Volume
B Weight
C Surface area
D Density
H উচ্চতায় অবস্থিত একটি বেলুন থেকে একটি পাথর ছেড়ে দিলে তা । উচ্চতায় অবস্থিত একটি হেলানো তনের উপর আছড়ে পড়ে। হেলানো শুলকে আঘাতের পর পাথরটির বেগ আনুভূমিক হয়। h/H এর মান কত হলে পাথরটি ভূমিকে স্পর্শ করতে সর্বোচ্চ সময় নিবে? (A stone falls from a balloon at a height of H above the ground and hits an inclined plane in its path at a height of h. After impact, the velocity of the stone becomes horizontal. What should be the value of hill so that the stone will take maximum time to reach the ground?)
A H-hh
B 12
C 32
D hH-h
E 2
When a plate is immersed in a liquid parallel to the flow, it will be subjected to a pressure __________ that if the same plate is immersed perpendicular to the flow.
A Less than
B More than
C Equal to
D None of these
Which of the following metals displaces Iron from Iron Chloride?
A Lead
B Zinc
C Tin
D Silver
A board of length L feet is cut into two pieces such that the length of one piece is 1 foot more than twice the length of the other piece. Which of the following is the length, in feet, of the longer piece?
A (2L+1)/2
B (L-1)/3
C (2L+3)/3
D (2L+1)/3
Sobuj bought three pieces of material. The first piece is 1 yard 2 feet 6 inches long, the second piece is 2 yards 1 feet 5 inches long, and the third piece is 4 yards 2 feet 7 inches long. If the cost of the material is Tk. 36 per yard, how much did Sobuj spent?
A Tk. 324
B Tk. 342
C Tk. 350
D Tk. 330
Two identical solid pieces, one of gold and other of silver, when immersed completely in water exhibit equal weights. When weighed in air (given that density of gold is greater than that of silver)
A the gold piece will weigh more
B the silver piece will weighmore
C both silver and gold pieces weigh equal
D weighing will depend on their masses
'If' a stone 'thrown' into a pond, the ripples will spread out 'from' the point 'where' the stone
A if
B thrown
C from
D where
A rolling stone gathers no mass. Here rolling stone is-
A adjective
B adverb
C noun
D None of these
Hey many years elapsed between the date of the oldest hieroglyphics deciphered by means of the Rosetta stone and the stone's discovery?
A 1301
B 1799
C 3100
D 4899

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