Physics all Chapters Combined Mock test to Score 90+ in MHTCET Exam – 03 Leave a Comment / Blog / By admin Click the start button to start the Mock test 77 Sorry! Time up Created on March 27, 2023 By admin Physics all Chapters Combined Mocktest - 03 Learn more! Practice more! Score more!Best of Luck! 1 / 50 The angular separation between the minute hand and hour hand of a clock at 12:20 pm is 120 degree 90 degree 110 degree 100 degree 2 / 50 a b c d 3 / 50 A mass attached to one end of a string crosses top-most point on a vertical circle with critical speed. It's centripetal acceleration when string becomes horizontal will be (g = gravitational acceleration) g 3 g 4 g 6 g 4 / 50 A solid sphere is rotating freely about its symmetry axis in free space. The radius of the sphere is increased keeping its mass same. Which of the following physical quantities would remain constant for the sphere? angular velocity moment of inertia rotational kinetic energy angular momentum 5 / 50 a b c d 6 / 50 Water rises to a height ‘h’ in capillary tube. If the length of capillary tube above the surface of water is made less than ‘h’, then: water does not rise at all. Water rises up to the tip of capillary tube and then starts overflowing like a fountain water rises upto the top of capillary tube and stays there without overflowing water rises up to a point a little below the top and stays there 7 / 50 Clouds float in air due to viscosity of air surface tension gravity elasticity 8 / 50 An ideal gas has pressure ‘P’, volume ‘V’ and absolute temperature ‘T’. If ‘m’ is the mass of each molecule and ‘K’ is the Boltzmann constant then density of the gas is Pm/KT KT/Pm Km/PT PK/Tm 9 / 50 a b c d 10 / 50 Ratio of pressures exerted by 2 gases is 3 : 2 add there densities are in the ratio 2 : 3. The ratio of their R.M.S. velocities is 3 : 2 1 : 3 1 6 : 8 11 / 50 a b c d 12 / 50 An ideal gas is compressed to half its initial value by means of several processes. Which of the process results in the maximum work done on the gas? isothermal adiabatic isobaric isochoric 13 / 50 If the temperature of the source and the sink of carnot engine are increased by the same amount, the efficiency of the engine will remain the same will increase will decrease will not be predicted by this information 14 / 50 Average velocity of a particle executing SHM in one complete vibration is: Aw/2 Zero Aw Aw/3 15 / 50 a b c d 16 / 50 Work done for a certain spring when stretched through 1 mm is 10 joule. The amount of work that must be done on the spring to stretch it further by 1 mm is 30 J 40 J 10 J 20 J 17 / 50 In fundamental mode, the time required for the sound wave to reach up to the closed end of a pipe filled with air is 0.01 s. The frequency of vibration of air column is 2.5 Hz 15 Hz 20 Hz 25 Hz 18 / 50 Wire having tension 225 N produces six beats per second when it is tuned with a fork. When tension changes to 256 N, it is tuned with the same fork, the number of beats remain unchanged. The frequency ofthe fork will be 186 Hz 225 Hz 256 Hz 280 Hz 19 / 50 A ray of light travelling through rarer medium is incident at very small angle ‘i’ on a glass slab and after refraction its velocity is reduced by 20%. The angle of deviation is i/8 i/5 i/2 4i/5 20 / 50 a b c d 21 / 50 A plane polarised light is incident normally on a tourmaline plate. It’s E vectors make an angle of 60 degree with the optic axis of the plate. Find the percentage difference between initial and final intensities. 25% 50% 75% 90% 22 / 50 The angular spread of central maximum, in diffraction pattern, does not depend on _______. the distance between the slit and source width of slit wavelength of light frequency of light 23 / 50 A hollow metal sphere of radius R is uniformly charged. The electric field due to the sphere at a distance r from the centre: zero as r increases for r R decreases as r increases for r R increases as r increases for r R zero as r increases for r R 24 / 50 a b c d 25 / 50 a b c d 26 / 50 8 drops of mercury of the equal radii and possessing equal charges combined to form our big drop. The capacitance images of bigger drop as compared to capacitance of each individual drop is 16 times 8 times 2 times 32 times 27 / 50 Two batteries with e.m.f. 12 V and 13 V are connected in parallel across a load resistor of 10 Ω. The internal resistances of the two batteries are 1 Ω and 2 Ω respectively. The voltage across the load lies between: 11.4 V and 11.5 V 11.7 V and 11.8 V 11.6 V and 11.7 V 11.5 V and 11.6 V 28 / 50 Two unknown resistances are connected in 2 gaps of the metrebridge. The null point is obtained at 40 cm from left end. A 30 Ω resistance is connected in series with the smaller of the 2 resistances, the null point shifts by 20 cm to the right end. The value of smaller resistance in Ω is 12 24 36 48 29 / 50 Shunt wire should be ___ thick and short thin and long thin and short thick and long 30 / 50 A charge moves in circular path perpendicular to magnetic field. The time period of revolution is independent of mass of the particle charge magnetic field velocity of the particle 31 / 50 Equal currents are passing through two very long and straight parallel wires in the same direction. They will _____ repel each other attract each other lean towards each other neither attract nor repel each other 32 / 50 a b c d 33 / 50 a b c d 34 / 50 The magnetic susceptibility of paramagnetic materials is positive, but very hig negative negative and very high positive, but small 35 / 50 A susceptibility of a certain magnetic material is 400. What is the class of the magnetic material? Diamagnetic Paramagnetic Ferromagnetic Ferroelectric 36 / 50 a b c d 37 / 50 Eddy currents are produced in a material when it is heated placed in a time varying magnetic field placed in an electric field placed in a uniform magnetic field 38 / 50 A solenoid of inductance 2 H carries a current 1 A. What is the magnetic energy stored in a solenoid? 2 J 1 J 4 J 5 J 39 / 50 The LC parallel resonant circuit has a very high impedance has a very high current acts as resistance of very low value has xero impedance 40 / 50 Same current is flowing in two AC circuits. First contains only inductance and second contains only capacitance. If frequency of AC is increased for both, the current will increase in first circuit and decreasing second increase in both circuits decrease in both circuits decreases in first circuit and increases in second 41 / 50 The potential differences across the resistance, capacitance and inductance are 80 V, 40 V and 100 V respectively in an L-C-R circuit. The power factor of this circuit is 1.0 0.4 0.5 0.8 42 / 50 The work function of a photosensitive material is 4.0 eV. The longest wavelength of light that can cause photon emission from the substance is (approximately) 310 nm 3100 nm 966 nm 31 nm 43 / 50 a b c d 44 / 50 If the kinetic energy of the particle is increased to 16 times its previous value, the percentage change in the de-Broglie wavelength of the particle is 25 75 60 50 45 / 50 If λ1 and λ2 are the wavelength of the first numbers of the Lyman and Paschen series respectively. Then λ1 : λ2 _____ 1 : 3 1 : 30 7 : 50 7 : 108 46 / 50 The total energy of an electron revolving in the second orbit of hydrogen atom is -13.6 eV -1.51 eV -3.4 eV zero 47 / 50 If the half-life of a radioactive element is 10 hr, it’s average life = ____ 1.44 6.93 14.4 0.693 48 / 50 The process of conversion of alternating current into direct current is called as rectification amplification magnification modulation 49 / 50 Zener diode is used as Half-wave rectifier Full-wave rectifier ac voltage stabilizer dc voltage stabilizer 50 / 50 Which gate can be obtained by shorting both the input terminals of a NOR gate. OR NOT AND NAND Your score isThe average score is 40% LinkedIn Facebook Twitter VKontakte 0% Restart quiz Download Above Biology Mock test in PDF format by clicking the below download button. Download Answer Key : Download