Water is filled up to a height 'h' in a cylindrical vessel. Now, a hole of area 'A' is made at bottom of the vessel. Water drains out of the hole in time 't' seconds. If we repeat the above process with a height of water as '4h', then how much time it require for water to drain out of the cylinder?
[Assume A << A_{0 } (area of tank)]
Which of the following graphs correctly represent the variation of β = −[(dV/dp)/V] with p for an ideal gas at constant temperature?
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What is the potential difference between A and B?
(where A is the centre of left ring and B is the centre of right ring)
Halflife of a radioactive substance A is 4 days. The probability of a nucleus that, from the given sample that it will decay in two halflives is
Which of the following statement is false for electromagnetic waves ?
If the nitrogen atom had electronic configuration 1s^{7}, it would have energy lower than that of the normal ground state configuration 1s^{2} 2s^{2 }2p^{3}, because the electrons would be closer to the nucleus, yet 1s^{7} is not observed because it violates
How many EDTA (ethylenediaminetetraacetic acid) molecules are required to make an octahedral complex with a Ca^{2+}
The first orbital of H is represented by where a_{0} is Bohr's radius The probability of finding the electron at a distance r, from the nucleus in the region dV is
20% of N_{2}O_{4} molecules are dissociated in a sample of gas at 27^{∘}C and 760 torr. Mixture has the density at equilibrium equal to:
The equation of a circle C_{1} is x^{2 }+ y^{2 }− 4x − 2y − 11 = 0. A circle C_{2} of radius 1 unit rolls on the outside of the circle C_{1} touching it externally. The locus of the centre of C_{2} has the equation
Two vertices of a triangle are (3, 2) and (2, 3) and its orthocentre is ( 6, 1). The coordinates of its third vertex are
The equation of the common tangent to the equal parabolas y^{2} = 4ax and x^{2} = 4ay is
A line makes angles of 45° and 60° with the positive directions of x and y axes respectively. An angle, which the line can make with the positive direction of zaxis is:
Identify the given Material image
(A) Cement blocks
(B) Granite blocks
(C) Concrete blocks
(D) Sandstone blocks
When was the Earth Day celebrated?
Option
(A) 22nd April
(B) 12th January
(C) 25th Marc
(D) 23rd February
Answer the correct TOP view for the given 3 D object:
(A)
(B)
(C)
(D)
(A) D
(B) C
(C) B
(D) A
Let Z denote the set of all integers. If a relation R is defined on Z as follows: (x, y)∈R if an only if x is multiple of y, then R is
Which of the following composition best fits hierarchy?
(A)
(B)
(C)
(D)
Which of the following diagrams indicates the best relation between Paris, France, Italy and World?
(A)
(B)
(C)
(D)
Which of the following best illustrates a colonnade?
(A)
(B)
(C)
(D)
Which picture cube does the unfolded shape make?
(A)
(B)
(C)
(D)
The internal angle formed by the edges of a cube in isometric projection is
A truncated (horizontally cut in midway) hexagonal pyramid has following number of surfaces, edges and vertices respectively.
A circle is inscribed within an equilateral triangle of area √3 sqm.The circumference of the circle is
The linear scale of a map is 1 cm=2 m. The drawing dimensions of an onsite rectangular plot measuring 25 m×40 m will be
When a clock is seen through a mirror, the hour arm and minute arm are seen at 99 and 44 respectively, so that the time seen is 9:20. What will be the actual time after 15min ?
Length of a solid diagonal of a cube is 6 cm. The volume of the cube is
How many surfaces are there in the model? Consider all seen and unseen surfaces.
What secondary colour is obtained by mixing blue and red colours?
What is Texture?
(A) Solid colour
(B) Type of shape
(C) Lines drawn in colour
(D) The way a surface looks and feels
A heavy ladder resting in the floor and against a vertical wall may not be in equilibrium if
The type of roof suitable in plains where rainfall is meagre and temperature is high is
The angle which an inclined plane makes with the horizontal when a body placed on it is about to slide down is known as angle of
2 videos10 docs17 tests

2 videos10 docs17 tests
