NATA Mock Test - 5 - JEE MCQ
30 Questions MCQ Test - NATA Mock Test - 5
A metal wire PQ slides on parallel metallic rails having separation 0.25 m, each having negligible resistance. There is a 2Ω resistor and 10V battery as shown in figure. There is a uniform magnetic field directed into the plane of the paper of magnitude 0.5 T. A force of 0.5N to the left is required to keep the wire PQ moving with constant speed to the right. With what speed is the wire PQ moving? (Neglect self-inductance of the loop)
In the given figure a ring of mass m is kept on a horizontal surface while a body of equal mass 'm' attached through a string, which is wounded on the ring. When the system is released the ring rolls without slipping. Consider the following statements and choose the correct option.
(i) acceleration of the centre of mass of ring is g/3
(ii) acceleration of the hanging particle is 2g/3
(iii) frictional force (on the ring) acts along forward direction
(iv) frictional force (on the ring) acts along backward direction
(i) acceleration of the centre of mass of ring is g/3
(ii) acceleration of the hanging particle is 2g/3
(iii) frictional force (on the ring) acts along forward direction
(iv) frictional force (on the ring) acts along backward direction
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A concave mirror gives a real image magnified 6 times when the object is moved 6 cm the magnification of the real image is 4 times. What will be the focal length of the mirror?
A spring mass system with unequal masses is placed at rest on a smooth horizontal surface. The spring is initially kept compressed with a thread. When the spring is cut, the mass m moves so as to enter in a vertical circular loop of radius r. The minimum compression x in the spring so that the mass m may negotiate the vertical loop is
A plane electromagnetic wave of angular frequency ω propagates in a poorly conducting medium of conductivity σ and relative permittivity ε. Find the ratio of conduction current density and displacement current density in the medium.
Which of the following complex square having planner complex can exhibit geometrical isomerism?
An element has a bcc structure with a cell edge of 288 pm. The density of the element is 7.2 g cm–3. Number of atoms present in 208 g of the element ?
The length of the common chord of the circles x2 + y2 + 2x + 3y + 1 = 0 and x2 + y2 + 4x + 2 = 0 is
In a triangle ABC, the angle B is greater than angle A. If the values of the angle A and B satisfy the equation 3 sin x - 4 sin3 x - k = 0, 0 < k < 1, then value of C is
Identify the type of staircase
Explanations:
Spiral stairs have a wide range of benefits depending upon your space and style
Resins are
Explanations:
Many different kinds of resins may be used to create a varnish. Natural resins used for varnish include amber,kauri gum, dammar, copal, rosin (pine resin), sandarac, balsam, elemi, mastic, and shellac. Varnish may also be created from synthetic resins such as acrylic, alkyd, or
polyurethane.
Refractory bricks are used for
A. retaining walls
B. columns
C. piers
D. combustion chambers.
Explanations:
A fire brick, firebrick, or refractory brick is a block of refractory ceramic material used in lining furnaces, kilns, fireboxes, and fireplaces. A refractory brick is built primarily to withstand high temperature, but will also usually have a low thermal conductivity for greater energy efficiency.
Expanded metal is
Explanations:
Expanded metal is a type of sheet metal which has been cut and stretched to form a regular pattern (often diamond-shaped) of metal mesh-like material. It is commonly used for fences and grates, and as metallic lath to support plaster or stucco.
The rock generally used for roofing, is
Explanations:
Slate is a fine-grained, foliated metamorphic rock that is created by the alteration of shale or mudstone by low-grade regional metamorphism. It is popular for a wide variety of uses such as roofing, flooring, and flagging because of its durability and attractive appearance
Every one of the following questions consists of a related pair of words, followed by five pairs of words. Choose the pair that best represents a similar relationship to the one expressed in the original pair of words.
COTTON : BALE
Explanations:
Upon harvesting, cotton is gathered into bales; grain is gathered into shocks.
Every one of the following questions consists of a related pair of words, followed by five pairs of words. Choose the pair that best represents a similar relationship to the one expressed in the original pair of words.
ELEPHANT : PACHYDERM
Explanations:
kangaroo : marsupial
Every one of the following questions consists of a related pair of words, followed by five pairs of words. Choose the pair that best represents a similar relationship to the one expressed in the original pair of words.
PSYCHOLOGIST : NEUROSIS
Explanations:
A psychologist treats a neurosis; an ophthalmologist treats a cataract.
Every one of the following questions consists of a related pair of words, followed by five pairs of words. Choose the pair that best represents a similar relationship to the one expressed in the original pair of words.
PASTORAL : RURAL
Explanations:
metropolitan : urban
Every one of the following questions consists of a related pair of words, followed by five pairs of words. Choose the pair that best represents a similar relationship to the one expressed in the original pair of words.
TAILOR : SUIT
Explanations:
To tailor a suit is to alter it; to edit a manuscript is to alter it.
Find out which of the figures (a), (b), (c) and (d) can be formed from the pieces given in figure (X).
Explanations:
The below question consists of problem figures and followed by four answer figures (A), (B), (C) and (D). Find out the figure from the answer figures which will continue the given series.
Explanations:
The below question consists of a set of three figures K, L and M showing a sequence of folding of a piece of paper. Figure M shows the manner in which the folded paper has been cut. These three figures are followed by four figures (1), (2), (3) and (4) from which you have to choose a figure which would most closely resemble the unfolded form of
figure M.
Explanations:
For the below question, group the given figures into different classes on the basis of their
orientation, shape etc.
Explanations:
The below question consists of four figures a, b, c and d and followed by answer figures marked as (A), (B), (C) and (D) each consisting of two figures marked a and d. Select a figure from the answer sets which suitable in the problem figure such that c is related to figure d and in the same way figure a is related to figure b.
Explanations:
Solution From figure a to figure b: The entire series rotates in clockwise direction by 1 step and each element rotated by 180 degree.
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