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Re: FIITJEE Entrance Test Sample papers
You are looking for the FIITJEE Entrance Test Sample papers, here I am giving: Physics: Four solid spheres each of diameter 5 cm and mass 0.5 kg are placed with their centers at the corners of a square of side 4 cm. The moment of inertia of the system about the diagonal of the square is N 104 kg-m2, then calculate the value of N. 2. Steel wire of lenght ‘L’ at 40C is suspended from the ceiling and then a mass ‘m’ is hung from its free end. The wire is cooled down from 40C to 30C to regain its original length ‘L’. The coefficient of linear thermal expansion of the steel is 105/C, Young’s modulus of steel is 1011 N/m2 and radius of the wire is 1 mm. Assume that L>> diameter of the wire. Then calcualte the value of ‘m’ in kg nearly. 3. The mass M shown in the figure oscillates in simple harmonic motion with amplitude A. Find the amplitude of the point P. 4. Calculate the volume of a balloon filled with hydrogen gas, which will be sufficient to lift a load of 25 kg in air. Given that densities of air and hydrogen are 12.9 104 g cm3 and 9 105 g cm3. 5. A cylindrical vessel of height 500 mm has an orifice (small hole) at its bottom. The orifice is initially closed and water is filled in it upto height H. Now the top is completely sealed with a cap and the orifice at the bottom is opened. Some water comes out from the orifice and the water level in the vessel becomes steady with height of water column being 200 mm. Find the fall in height (in mm) of water level due to opening of the orifice. [Take atmospheric pressure = 1.0 105 N/m2, density of water = 1000 kg/m3 and g = 10 m/s2. Neglect any effect of surface tension.] 6. The x-t graph of a particle undergoing simple harmonic motion is shown below. Find the acceleration of the particle at t = 4/3 s. 7. A silver sphere of radius 1 cm and work function 4.7 eV is suspended from an insulating thread in free-space. It is under continuous illumination of 200 nm wavelength light. As photoelectrons are emitted, the sphere gets charged and acquires a potential. The maximum number of photoelectrons emitted from the sphere is A 10z (where 1 < A < 10). Calculate the value of ‘Z’. 8. A student performed the experiment of determination of focal length of a concave mirror by u – v method using an optical bench of length 1.5 meter. The focal length of the mirror used is 24 cm. The maximum error in the location of the image can be 0.2 cm. The 5 sets of (u, v) values recorded by the student (in cm) are: (42, 56), (48, 48), (60, 40), (66, 33), (78, 39). Find the data set(s) that cannot come from experiment and is (are) incorrectly recorded. For the detailed question paper, here is attachment: |
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