MHT CET PCM MockTest 1

The physical quantity for which magnitude and direction remains constant in uniform circular motion is

The tension in the string revolving in a vertical circle with mass m at the end which is at the lowest position.

A body has MI as I about its axis, if its radius of gyration is increased by 5%. MI will change by

A satellite of mass m revolves around the earth with a velocity v, the total energy of the satellite is

Equation of displacement of harmonic oscillator is x= 15 sin 20⎍t , amplitude and angular velocity are respectively

The radius of gyration of a body is independent of

The length of a simple pendulum increases by 1%, time period is affected as

The formula for height of a liquid column (h) in a capillary tube is

The period of oscillation of a simple pendulum in the experiment is recorded as 263 s, 256 s, 242 s, 271 s and 280s respectively. The average absolute error is

In stationary wave, the nodes are at the points where there is

A uniform wire of linear density 0.004 per kg-m, when stretched between two rigid supports with a tension 3.6 x 10² N, resonates with a frequency of 420 Hz. The next harmonic frequency with which the wire resonates is 490 Hz. The length of wire in metre is

The temperature at which average KE of gas molecules become double to that at 27℃ is

A rope of length 5 m is kept an frictionless surface and a force of 5 N is applied to one its end. Find the tension is the rope at 1m from his end.

If distance between the two bodies is doubled, then the gravitational force between them will become 

A body cools from 80℃ to 64℃ in 5 minutes and same body cools from 80℃ to 52℃ in 10 minutes. What is the temperature of the surrounding?

Two spherical bodies A (radius 6cm) and B (radius 18 cm) are at temperatures T1 and T2 respectively, The maximum intensity in the emission spectrum of A is at 500 nm and in that of B is at 1500 nm. Considering them to be black bodies, what will be the ratio of the rate of total energy radiated by A & B?

A pulley 1 metre in diameter rotating at 600 rpm is brought to rest in 80s by a constant force of friction on its shaft. How many revolutions does it make before coming to rest?

The terminal speed attained by an aluminium sphere of radius 1mn falling through water at 20℃ will be close to (Assume laminor how, specific gravity of (Al = 2.7) and Zwater = 8x 10^-4).

An organ pipe closed at one end resonates with a turning fork of frequencies 180 Hz and 300 Hz. It will also resonate with tuning fork of frequency

In a single slit diffraction pattern, the distance between the first minimum on the left and the first minimum on the right is 5mm. The screen on which the diffraction pattern is displayed is at a distance of 80cm from the slit. The wavelength is 6000 Å.The slit width (in mm) is about

If T is the surface tension of a liquid, the energy needed to break a liquid drop of radius R into 64 drops is

In a perfectly rigid rod the speed of sound is

Which of the following method is not used for the concentration of bauxite ore?

The radioactive element belonging to group-16 is

The decreasing order of hydration enthalpies of earth metal ions is

Which of the following has abnormally low value of third ionisation enthalpy?

The compound which reacts with Her obeying Markownikoff’s rule is

The reaction,

2HCHO + NaOH → HCOONa + CH3OH, is

Permono sulphuric acid is known as

On mixing alkane with chlorine and irradiating with ultraviolet light, it forms only one monochloroalkane.The alkane is

Low spin complex of d6 -cation in an octahedral field will have the following energy

Order of stability of vinyl, alleys, tertiary radicals is 

The reaction is known as

Product (B) of the following reaction is

The non protein portion of a protein is called

In which of the following polymer preparation, no initiator is required?

Which among the following statement is false?

How many isomers are possible in [CO(en)2Cl2] ?

Which one of the following anions is the strongest Bronsted base?

Which one of the following is an outer orbital complex and exhibits paramagnetic behaviour?

Phenol when nitrated with conc. HNO3 in presence of conc. H2SO4 forms

Which of the following represents the correct order of the acidity in the given compounds?

Product of the following reaction is

WHich of the following disaccharide is present in milk?

Mark out the most unlike form of polymerisation of

The functional groups present in ‘salol’ are 

The formation of aldehyde from alkyl cyanide is related with the name

Which of the term is not used in linear programming problem?

The solution of the equation

  are

A straight line perpendicular to the line 2x + y=3 is passing through (1,1). Its y -intercept is