Related Questions

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?)
ক H-hh
খ 12
গ 32
ঘ hH-h
ঙ 2
A company owns some land and buildings for which the following details are relevant : Cost of land Taka 50,000; cost of building Taka 100,000, estimated life of building 20 years, estimated residual value of building Taka 2000; estimated residual value of land Taka 50,000. The company uses the straight line depreciation method. Which is the correct annual depreciation charge for this asset?
ক Taka 4000
খ Taka 4900
গ Taka 7400
ঘ Taka 7500
A rolling stone gathers no mass. Here rolling stone is-
ক adjective
খ adverb
গ noun
ঘ None of these
A red house is built from red bricks . A blue house is built from blue bricks. A white house is built from white bricks. Then what is a greenhouse made from ?
ক green bricks
খ wood
গ glass
ঘ steel
'If' a stone 'thrown' into a pond, the ripples will spread out 'from' the point 'where' the stone
ক if
খ thrown
গ from
ঘ where
Hey many years elapsed between the date of the oldest hieroglyphics deciphered by means of the Rosetta stone and the stone's discovery?
ক 1301
খ 1799
গ 3100
ঘ 4899
A man standing on a edge of a cliff throws a stone vertically upwards with a certain speed. He then throws another stone downwards with the same speed. Find the ratio of the speeds of the two stones when they hit the ground.
ক 1 : 1
খ 1 : 2
গ 1 : 4
ঘ Cannot be found from the given information.
For a good building stone, its specific gravity should the greater than
ক 1.5
খ 1.7
গ 2.2
ঘ 2.7
A good building stone should not absorb water more than
ক 5%
খ 10%
গ 15%
ঘ 20%
Crushing strength of a good building stone should be more than
ক 50 MPa
খ 100 MPa
গ 150 MPa
ঘ 200 MPa

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