NTSE Stage 1 - SAT (Mock Test 1) - Class 10 MCQ

A fish in an aquarium, approaches the left wall at a rate of 3 ms^-1, and observes a fly approaching it at 8ms^-1.  If the refractive index of water is (4/3), find the actual velocity of the fly.

Zenoth lens of thermal dynamics represents.

a) concept of temperature

b) State of thermal equilibrium of a system

c) That heat is a form of energy

10g of ice at -20° C is added to 10g water at 100C. Then the final temperature of mixture is

The amount of heat required to convert 10g of ice at -10ºC to steam at 100ºC is

A liquid of mass ‘m’ and specific heat ‘S’ is at temperature θ . Another liquid of mass 2m and specific heat S/2 is at 3θ. If these two liquids are mixed, resultant temperature of the mixture

Acceleration due to gravity at a point on the surface of the earth is ‘g’. If the earth shrinks such that its radius reduces to 1/3 of the present value and its mass remains constant then acceleration due to gravity at the same point, if the distance of which does not change from the centre of the earth is

When equal volumes of two liquids are mixed, the specific gravity of mixture is 7/2 . When equal masses of same liquids are mixed the specific gravity of mixture is 12/7 . The specific gravities of two liquids are

A bus travelling the first one third distance at a speed of 10 km/h. The next one third at 20km/h, and the last one third at 60km/h. The average speed of the bus is

A particle has initial velocity  and has acceleration. Its speed after 10 sec is

A person slides freely down a frictionless inclined plane while his bag falls down vertically from the same height. The final speeds of the man(V_M) and that of bag(V_B) should be such that

Which of the following pair of gases has same rate of diffusion

Which of the following is true about water molecule.

A solution contains 50gm of common salt in 450gm of water, mass % of solution will be__________

Which of the following is/are an example for Aerosol  type colloid

What are the four quantum numbers for the valence electron of sodium atom

Among the following which is correct

When α- particles are sent through a thin metal foil, most of them go straight through foil because,

What is the weight and volume of  C₂H₄ gas required to produce 11.2 lit of Co₂ at STP by burning

What amount of MgO is formed by burning of 12gm of Magnesium metal

The amount of iron formed by reaction of 9gm of Aluminium with ferric oxide as per the following equation. Fe₂O₃+2Al→Al₂O₃+2Fe

The Hybridisation of carbon atom in Diamond and Grophite is _____________

The IUPAC name of the following compound is  

The functional isomer of butanal is

Which of the following is covered by a single membrane?

A long tree has several branches. The tissues that helps in thelateral conduction of water in the branches is.

Find out the correct statement

Match the following vitamins with their deficiency diseases

                     Column-I                                                 Column-II

                     a) Biotin                                                   i) Skin diseases

                     b) Retinol                                                ii) Pernicious anaemia

                     c) Niacin                                                  iii) Nerves disorders

                     d) B12                                                       iv) Anaemia

                     e) Pyridoxine                                            v) Pellagra