Physics question and answers for August 30, 2024
- Q Body A of mass 4 m moving with speed u collides with another body B of mass 2m at rest The collision is head NEET 201 and elastic in nature...
- Q A ball moving with velocity 2 m s collides head on with another stationary ball of double the mass If the coefficient of AIPMT 2010 restitution is 0 5 then...
- Q 4 It is totally reflected from all the three sides of prism and never emerges out When light rays are incident on a prism at an angle of 45 the...
- Q 1 20 cm 2 16 cm 3 10 cm 4 12 cm A convex lens forms a real image 9 cm long on a screen Without altering the position of...
- Q The electric potential decreases uniformly from V to V along X axis in a coordinate system as we moves from a point xo 0 to xo 0 then the electric...
- Q A ball impinges directly on a similar ball at rest The first ball is brought to rest by the impact If half of the kinetic energy is lost by impact...
- Q 2v 2v A can of height h is filled with liquid of uniform density p If the liquid is coming out from the bottom then centre of mass of the...
- Q Internal energy of n moles of hydrogen at temperature is equal to the internal energy of n moles of helium at temperature 27 The value of ratio is neglect n...
- Q A mass m moves with a velocity y and collides inelastically with another identical mass at rest After collision the in a direction perpendicular to the initial direction of motion...
- Q The critical angle between an equilateral prism and air is 45 If the incident ray is perpendicular to the refracting surface then 1 After deviation it will emerge from the...
- Q 18 The ray diagram could be correct n Lens 2 If n n and n n n 1 If n n n If n n and n n 4 Under...
- Q A solid iron ball A of radius r collides head on with another stationary solid iron ball B of radius 2r The ratio of their speeds just after the collision...
- Q 1 1 00 J 2 0 67 J A thin rod of length L is lying along the x axis with its ends at x 0 and x L Its...
- Q 1 Plane mirror The focal length of a concave mirror is f and the distance from the object to the principle focus is x The ratio of the size of...
- Q STATEMENT 1 Two particles moving in the same direction do not lose all their energy in a completely inelastic AIEEE 2010 collision STATEMENT 2 Principle of conservation of momentum holds...
- Q 5 1 10 cm 2 20 cm 3 5 cm 4 none of these A thin linear object of size 1 mm is kept along the principal axis of a...
- Q 1 Violet ray 2 Green ray 4 Yellow ray 3 Red ray A spectrum is formed by a prism of dispersive power If the angle of deviation is s then...
- Q Which of the following is incorrect 1 If centre of mass of three particles is at rest and it is known that two of them are moving different non parallel...
- Q An explosion blows a rock into three parts Two parts go off at right angles of each other These two are 1 kg first part moving with a velocity of...
- Q 3 A prism having an apex angle of 40 and refractive index of 1 50 is located in front of a vertical plane mirror as shown A horizontal ray of...
- Q There is a small black dot at the centre C of a solid glass sphere of refractive index u When seen from outside will appear to be located 1 away...
- Q 3 always decreases none of these Two semicircular rings of linear mass densities 2 and 2 and of radius R each are joined to form a complete ring The distance...
- Q The reason for shining of air bubble in water is 1 Diffraction of light 3 Scattering of light 2 Dispersion of light 4 Total internal reflection of light
- Q 1 60 2 100 3 180 4 240 When a plane mirror is placed horizontally on a level ground at a distance of 60m from the foot of a tower...
- Q In the figure shown a hole of radius 2 cm is made in a semicircular disc of radius 6 cm at a distance 8 cm from the centre C of...
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