NATA Mock Test - 7 - JEE MCQ

A balloon is moving upwards with a speed of 20 m/s. When it is at a height of 14 m from ground in front of a plane mirror in as shown in figure, a boy drops himself from the balloon. Find the time duration for which he will see the image of source S placed symmetrically before plane mirror during free fall.

Prism angle & refractive index for a prism are 60^o & 1.414. Angle of minimum deviation will be

A saturated aqueous solution of sparingly soluble salt AB₃ has the vapour pressure 0.08 mm lesser than the vapour pressure 17.33 mm of solvent at 25^oC. The solubility product of AB₃ is :

Photoelectric emission is observed from a surface for frequencies v₁ and v₂ of the incident radiation (v₁ > v₂). If the maximum kinetic energies of the photoelectrons in the two cases are in the ration l : k then the threshold frequency v₀ is given by :

In the following electron dot structure calculate the formal charge from left to right nitrogen atom ?

A 50 litre vessel is equally divided into three parts with the help of two stationary semi permeable membrane (SPM). The vessel contains 60 g H₂ gas in the left chamber, 160 g O₂ in the middle and 140 g N₂ in the right one. The left SPM allows transfer of only H₂ gas while the right one allows the transfer of both H₂ and N₂. The final ratio of pressure in the three chambers.

Acetamide is treated separately with the following reagents. Which of these would give methylamine ?

ABC is an acute - angled triangle with circumcentre 'O' and orthocentre H. If AO = AH, then angle A is

The locus of the mid point of the line segment joining the focus to a moving point on the parabola y² = 4ax is another parabola with directrix

The eccentricity of the ellipse which meets the straight line  on the axis of x and the straight line  on the axis of y and whose axes lie along the axes of coordinates, is :

A circle is described whose centre is the vertex and whose diameter is three-quarters of the latus rectum of a parabola y² = 4ax. The common chord of the circle and parabola is

National Archives is located at?

Explanations:

The National Archives of India is a repository of the non-current records of the Government of India and is holding them in trust for the use of administrators and scholars. The National Archives is situated at the Intersection of Janpath and Rajpath, in Delhi. Shri K.R. Narayanan, Hon'ble President of India, declared open the "Museum of the National Archives" to the general public on 6 July 1998. This Museum is a representative overview of the multifarious holdings of the National Archives, promoting a common man's interest in archival holdings.

Which is known as 'Garden City of India'?

Explanations:

Bangalore is famous for its neat lawns, parks and gardens all over the city. So it got the name as Garden City. It's also having other names such as Silicon Valley, Electronic city, Pensioner's Paradise etc.

The Central Rice Research institute is located at

Explanations:

Where is the 'National Remote Sensing Agency'

situated?

Explanations:

Shadnagar is a town and assembly constituency in the Mahbubnagar district in Telangana, India. Recently it turned into a municipality. Shadnagar also known as Farooqnagar.

Badrinath is situated on the bank of river

Explanations:

At Alakanada's origin, Lake Satopanth is a triangular lake, located at a height of 4402 meters above the sea level and named after the Hindu trinity Lord Brahma, Lord Vishnu, Lord Shiva.Badrinath, one of the holy destinations for Hindus in India is located near to the bank of the Alaknanda River. This place is surrounded by two mountain ranges of Nar and Narayan and Neelkanth peak is located at the back side.

Indian Cancer Research institute is located at

Explanations:

It was founded in 1980 at Mumbai to advance research in all aspects of cancer and promote interaction between scientists.

Ajanta-Ellora caves are situated near

Explanations:

Aurangabad is a city which was ruled by Aurangzeb. Except Ajanta-Ellora many other historical monuments are also situated there.

Identify the structure

Explanations:

The Rashtrapati Bhavan is the official home of the President of India located at the Western end of Rajpath in New Delhi, India.

A 3-D problem figure is given below. Identify the correct top view from the options

Explanations:

Identify the structure

Explanations:

The Statue of Liberty is a colossal neoclassical sculpture on Liberty Island in New York Harbor in New York, in the United States. The copper statue, a gift from the people of France to the people of the United States, was designed by French sculptor Frédéric Auguste Bartholdi and its metal framework was built by Gustave Eiffel. The statue was dedicated on October 28, 1886.

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.

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:

B

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:

(137), (268), (459)

The below question consists of two pairs of figures a, b and c,d are given as problem figures and followed by four answer figures as (A), (B),(C) and (D). Select the answer figure that will replace figure ‘d’ of problem figures, so that relation is established between figure ‘c’ and ‘d’ similar to the relation that figure ‘a’ holds with figure ‘b’.

Explanations:

Solution The elements in (1,1) and (2,2) have changed their positions, whereas the other elements are still the same.