Title NEET - 03 - 2024.pdf ✅

Topic Covered PHYSICS : Vectors, Calorimetry CHEMISTRY : Redox reactions, Some basic principles & techniques (IUPAC) BIOLOGY : Human Reproduction, Reproductive Health ALL INDIA NEET TEST SERIES-UG-2023-24 DURATION : 200 Minutes DATE : MARKS : 720
PHYSICS SECTION - A Attempt All 35 Questions (1.) If a 5 kg body falls to the ground from a height of 30 m and if all of its mechanical energy is converted into heat. The heat produced will be (approx) ( ) 2 g 10 m / s = (1) 1500 J (2) 357.1cal (3) 254cal (4) 1 and 2 both (2.) A liquid of mass m and specific heat c is heated to a temperature T. Another liquid of mass m / 2 and specific heat 2c is heated to a temperature T . If these two liquids are mixed, the resulting temperature of the mixture is : (1) 2 T 3       (2) 8 T 5       (3) T (4) None of these (3.) How much heat energy is gained when 5 kg of water at 20 C is brought to its boiling point (Specific heat of water 1 1 4.2 kJ kg C− − = ): (1) 1680 kJ (2) 1700 kJ (3) 1720 kJ (4) 1740 kJ (4.) A stationay object at 4C and wighing 3.5 kg falls from a height of 4000 m on a snow mountain at 0C If the temperature of the object just before hitting the snow is 0C and the object comes to rest immediately ( ) 2 g 10 m / s = and (latent heat of ice ) 5 =  3.5 10 Joule / s then the mass of ice that will melt is: (1) 2 kg (2) 200 (3) 400gm (4) 2 g (5.) A block of ice at −10 C is slowly heated and converted to steam at 100 C . Which of the following curves represents the phenomenon qualitatively: (1)
(2) (3) (4) (6.) The gram specific heat of copper is 0.1C/ gm C what it is molar heat capacity: (1) 0.1C / mole C (2) 6.4C / mole C (3) 1C / mole C (4) None of the above (7.) When a substance changes from solid state to liquid state phenomenon is called: (1) Fusion (2) Vaporisation (3) Sublimation (4) Boiling (8.) A device in which heat measurement can be made is called: (1) Barometer (2) Thermometer (3) Calorimeter (4) Ammeter (9.) Specific heat of any substance during change of state will be : (1)  (2) 0 (3) -1 (4) Any value (10.) A quantity of heat required to change the unit mass of a solid substance, from solid state to liquid state, while the temperature remains constant, is known as (1) Latent heat (2) Sublimation (3) Hoar frost (4) Latent heat of fusion (11.) A solid substance is supplied heat at a constant rate and the variation of temperature with heat input is shown in the figure. Choose the correct statement :
(1) AB and CD represent changes of phase from liquid to vapour and from solid to liquid respectively (2) The latent heat of vaporization is half the latent heat of fusion (3) The latent heat of vaporization is twice the latent heat of fusion (4) The specific heat in the solid sate is more than (12.) An bread has a marked value of 5 10 Cal . How many kilowatt hour of energy will it deliver to the body as it is digested : (1) 0.81kWh (2) 0.90kWh (3) 1.11kWh (4) 0.11kWh (13.) The velocity (v) of water wave may depend upon their wavelength  the density of water  the acceleration due to gravity g. Find the relation between these quantities by dimension method: (1) 2 1/2 v k =  q (2) 1/2 1/2 v k g =  (3) 1/2 1/2 v k g  − = (4) 1/2 2 v k y =  (14.) Given that ˆ ˆ PQ Q P = , which of the following relation is not correct : (1) P Q= (2) ˆ ˆ P Q= (3) P Q= (4) ˆ ` P Q P Q . . = (15.) The cirular head of screw gauge is divided into 200 division and move 1 mm a head in one revolution. Find the pitch and least count of screw gauge: (1) 1 mm,0.0005 cm (2) 1 mm,0.005 cm (3) 1.1 mm,0.007 cm (4) 1.1 mm,0.006 cm (16.) Given that two vector ˆ ˆ ˆ A i j k = − + and ˆ ˆ B i j k =+− . Find the angle between two vector A and B (1) 1 1 Cos 4 −       (2) 1 1 Cos 3 −     −   (3) 1 1 Cos 5 −       (4) 1 1 Cos 7 −      