A telescope of aperture diameter 5 m is used to observe the moon from the earth. Distance between the moon and earth is 4 × 105 km. The... View Article
A screw gauge advances by 3 mm on main scale in 6 rotations. There are 50 divisions on circular scale. Find least count of screw gauge? a) 0.01... View Article
An ideal liquid (water) flowing through a tube of non-uniform cross-sectional area, where area at A and B are 40 cm2 and 20 cm2 respectively. If... View Article
Three harmonic waves of same frequency (v) and intensity (I0) having initial phase angles 0, π/4, -π/4 rad respectively. When they are... View Article
Two particles of equal mass m have respective initial velocities . They collide completely inelastically. Find the loss in kinetic energy. a)... View Article
A body A of mass m is revolving around a planet in a circular orbit of radius R. At the instant the particle B has velocity , another particle of... View Article
An electric dipole of moment ] a) i -3j-2k b) -i-3j+2k c) i+3j-2k d) -i+3j-2k The electric dipole of moment p = q.a where a is distance... View Article
For the given P-V graph of an ideal gas, chose the correct V-T graph. Process BC is adiabatic. (Graphs are schematic and not to scale). For... View Article
Particle moves from point to point along the line shown in figure under the action of force in moving the particle from point A to point B... View Article
Consider an infinitely long current carrying cylindrical straight wire having radius 'a'. Then the ratio of magnetic field due to wire at... View Article
A solid sphere having a radius R and uniform charge density ρ. If a sphere of radius R/2 is carved out of it as shown in the figure. Find the... View Article
10. 0 mL of Na2CO3 solution is titrated against 0.2 M HCl solution. The following litre values were obtained in 5 readings 4.8 mL, 4.9 mL, 5.0... View Article
A solute A dimerizes in water. The boiling point of a 2 molal solution of A is 100.52ºC. The percentage association of A is ______. (Round... View Article
Consider the below reaction where 6.1 g of benzoic acid is used to get 7.8 g of m-bromo benzoic acid. The percentage yield of the product is... View Article
A reaction has a half life of 1 min. The time required for 99.9% completion of the reaction is _____ min. (Round off to the nearest integer) [... View Article
