A close bottle containing water at room temperature was taken to the Moon and then the lid is opened. The water will
Heat given to a body which raises its temperature by 1°C is known as
If the door of a running refrigerator in a closed room is kept open, what will be the net effect on the room?
Bernoulli's principle is based on which one among the following laws
Which of the following is not a result of surface tension?
If the motion of an object is represented by a straight line parallel to the time axis in a distance-time graph, then the object undergoes
A passenger in a moving train tosses a coin upward which falls behind him. It implies that the motion of the train is
Two bodies A and B having masses m and 4m respectively are moving with equal linear momentum. The ratio of kinetic energies between A and B is
A motor vehicle is moving on a circle with uniform speed. The net acceleration of the vehicle is
If the distance S covered by a moving car in rectilinear motion with a speed v in time t is given by S = vt, then the car undergoes
Two cars A and B have masses mA and mB respectively, with mA > mB. Both the cars are moving in the same direction with equal kinetic energy. If equal braking force is applied on both, then before coming to rest
Planet A has double the radius than that of planet B. If the mass of planet A is 4 times heavier than the mass of planet B, which of the following statements regarding weight of an object is correct?
A bullet is fired vertically up from a 400 m tall tower with a speed 80 m/s. If g is taken as 10 m/s2, the time taken by the bullet to reach the ground will be
Within an animal cell, the most abundant inorganic constituent of protoplasm is
Which one of the following is not a function of liver?
After diagnosis of disease in a person, the doctor advises the patient iron and folic acid tablets. The person is suffering from
Which one of the following is the correct electronic configuration of chlorine
The distribution of electrons into different orbits of an atom, as suggested by Bohr, is
Dihydrogen can be prepared on a commercial scale by the action of steam on hydrocarbons, when a mixture of CO and H2 gas is formed. It is known as
When carbon dioxide is passed through lime water, the solution turns milky, but, on prolonged passage, the solution turns clear. This is because
A person standing in front of a plane mirror approaches the mirror by 40 cm. The new distance between the person and his image in the plane mirror is
If two conducting spheres are separately charged and then brought in contact
When you pull out the plug connected to an electrical appliance, you often observe a spark. To which property of the appliance is this related?
Which of the statements given below are correct?
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The gastrointestinal hormones namely secretin and cholecystokinin secreted by duodenal epithelium activate respectively which organs to discharge their secretions?
Dual-energy X-ray absorptiometry (DEXA) is used to measure
Which of the following statements about sexual reproduction in flowering plants are correct?
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In dry regions, the leaf size of a tree becomes smaller. It is so to
Newton's law of motion cannot be applicable to the particles moving at a speed comparable to the speed of
Bose-Einstein Condensate (BEC) is formed by cooling a gas of extremely low density, about one-hundred-thousandth the density of normal air. This is treated as
Automobiles are fitted with a device that shows the distance travelled. Such a device is known as
Which one of the following non-metals is present in solid state?
Which one of the following is a reducing substance?
Which one of the following materials is not present in gun powder?
Which one among the following is the richest source of vitamin C?