Physics question and answers for April 08, 2024
- Q A wooden piece of Young s modulus 1x1010 N m and area of cress section 5x10 m is subjected to stress by machine bending average strain produced by the wooden...
- Q 35 The figure shows the graph of pV versus p for T 2x 10 kg of hydrogen gas at two different temperatures where p V and T represents pressure volume...
- Q 10 A metal rod with a diameter of 20 mm and a length of 1 5 m is clamped at one end If a force of 157 kN is applied...
- Q Select all that apply in the case of matter waves a Matter waves are Independent of charge type b Matter waves are neither electromagnetic waves nor acoustic wave c Lighter...
- Q In a capillary tube of length 20 cm and bore diameter 1 mm a very thin glass rod of diameter 0 5 mm is coaxially arranged The arrangement is dipped...
- Q When a block of mass M is suspended by a long wire of lenght L the length of the wire becomes L 1 The elastic potential energy stored in the...
- Q The face EFGH of the cube shown in the figure is displaced 2 mm parallel to itself when forces of 5 x 10 N each are applied on the lower...
- Q 00000 M M Spring in figure A B are identical but length in A is 3 times of that in B Find the ratio of period TA to TB is...
- Q An earth satellite is revolving in a circular orbit of radius a with a velocity v Mass of earth is M A gun in the satellite is directly aimed toward...
- Q Aliquid enter at point A1 with speed 3 5 m s and leaves at point A2 Then find out the height attained by the liquid above point A2 A V...
- Q A steel rod of 30 mm diameter is enclosed centrally in a hollow copper tube of external diameter 50 mm and an internal diameter of 40 mm shown in Figure...
- Q A square steel rod 20 mm x 20 mm in section is to carry an axial load compressive of 100 kN Calculate the shortening in a length of 50 mm...
- Q A metal rod is placed on smooth horizontal surface at temperature 25 C Now temperature of surroundings is increased up to 100 C then during heating of rod 1 Mechanical...
- Q 62 Hydrogen atom in ground state is excited by a monochromatic radiation of 975 Number of spectral lines in the resulting spectrum emitted will be 2014 a 3 a b...
- Q A wire of length 2 5 m is attached with a load of 3 kg The change in length observed is 0 1 and stress is 170 45 kg cm...
- Q The approximate depth of an ocean is 2700m The compressibility of water is 45 4 x 10 Pa and density of water is 10 kg m What fractional compression of...
- Q A stress strain diagram is shown for a hypothetical tensile test specimen of a hypothetic material Dotted line shows the unloading curve and the dark line shows the loading cur...
- Q 98 A slender prismatic rod is fixed between the two non yielding supports as shown in the figure below The temperature of the rod is now raised by 100 C...
- Q 7 The stress strain behaviour of a material is shown in the following figure Its resilience and toughness in Nm and m Stress MPa respectively are a 28 104 76...
- Q To break a wire a force of 106 N m is required If the density of the material is 3 x 10 kg m then the length of the wire...
- Q Q From the ceiling a light rod of length 200 cm is suspended horizontally with the help of two vetical wires of equal lenght as shown in figure If one...
- Q A capillary tube of radius r is lowered into water whose surface tension is a and density d The liquid rises to a height Assume that the contact angle is...
- Q A cube is subjected to pressure of 5 x 105 Nm 2 Each side of the cube is shortened by 1 Find volumetric strain and bulk modulus of elasticity of...
- Q Two metal rods A and B of uniform cross section and identical dimensions is held fixed between two immobile rigid supports on both sides The coefficient of linear thermal expansion...
- Q 0 A wire hangs vertically under its own weight The specific weight of wire is 100 n m and maximum permissible tensile stress is 100 n mm2 The greatest length...
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