Physics Test Try this test to prepare for the Physics Test. Physics Test 1 1 / 25 Newton first law defines: Speed Acceleration Displacement Force 2 / 25 The acceleration of a projectile at its highest point is: 9.8 m/s2 0 m/s2 19.6 m/s2 4.9 m/s2 3 / 25 The range of projectile is maximum at an angle of? 90 degree 0 degree 45 degree 60 degree 4 / 25 At what angle horizontal range and height of the projectile are equal? 76 degree 45 degree 90 degree 60 degree 5 / 25 Rate of change of momentum is equal to? Force Impulse Mass None of these 6 / 25 The distance covered by a freely falling body in 2 seconds will be: 4.9 m 19.6 m 9.8 m 39.4 m 7 / 25 The magnitude of rectangular components of a vector are equal if its angle with x axis is: 90 degree 45 degree 0 degree 180 degree 8 / 25 When two vectors are antiparallel the angle between them is? 180° 90° 45° 0° 9 / 25 The cross product of two vectors will be maximum at an angle of? 0° 60° 90° 180° 10 / 25 Which of the following is a vector quantity? Mass Inertia Power Acceleration 11 / 25 The error produced due to faulty apparatus is called? Random error Systematic error Personal error None of these 12 / 25 The rotational analogue of force is: Moment of inertia Torque Acceleration Velocity 13 / 25 The solid angle subtended at the center of sphere is: 2π 4π 3π 6π 14 / 25 The computer chips are made from? Aluminium Copper Silicon Sand 15 / 25 The SI unit of pressure is: Newton Watt Pascal Coulomb 16 / 25 The number of supplementary units are? 1 3 5 2 17 / 25 Resultant of two forces 4N and 3N inclined at an angle of 90 degree: 3 N 4 N 5 N 6 N 18 / 25 The magnitude of a unit vector is? 0 1 2 3 19 / 25 0.0036 has significant figures: 2 3 4 5 20 / 25 Dimension of specific gravity is? M0L0T0 MLT ML2T M2L2T2 21 / 25 Dimension of power is: ML2T2 ML2T-3 MLT2 ML2T 22 / 25 Dimension of force is: MLT2 MLT-2 MLT ML2T 23 / 25 1 Mega is equal to: 106 109 1012 103 24 / 25 The SI unit of power is? Newton Watt Ampere Joule 25 / 25 Light year is the unit of: Distance Light Velocity Time Your score isThe average score is 54% 0% Restart quiz Physics Test 2 1 / 25 The rate of change of displacement is called: Motion Speed Acceleration Velocity 2 / 25 The SI unit of displacement is: Meter Centimeter Foot All of these 3 / 25 The path of a projectile is called? Trajectory Curve Time of action Orbit 4 / 25 What is the unit of the coefficient of friction? No Unit Joule Dyne Newton 5 / 25 The property of liquids to resist their flow is called: Viscosity Flow Thickness Rigidity 6 / 25 What is a force that resists motion called? Friction Static friction Kinetic friction All of these 7 / 25 A rocket moves according to the law of conservation of? Mass Energy Momentum Force 8 / 25 The product of mass and velocity is called: Force Acceleration Momentum Angular momentum 9 / 25 The SI unit of tension: Watt Newton Dyne 10 / 25 The force apply on a body through a string is called? Momentum Weight Force Tension 11 / 25 Dyne is the unit of? Force Energy Work None of these 12 / 25 Inertia of a body is measured in terms of: It's mass It's weight It's velocity None 13 / 25 The acceleration of body moving with uniform velocity is: Zero Uniform One Variable 14 / 25 The dimension of velocity is; LT LT-1 LT2 L2T 15 / 25 The magnitude of velocity is called: Acceleration Speed Distance Retardation 16 / 25 Q. An object is thrown vertically upwards. At the highest point, its velocity is: Same as initial velocity Double the initial velocity Zero None of above 17 / 25 Q. The direction of the gravitational force acting on an object in free fall? Upwards Downwards Tengiatial to the surface Horizontal 18 / 25 Q. An object is in free fall. What can be said about the net force acting on it? Zero Non zero Increasing Decreasing 19 / 25 Q. What is the weight of an object of mass 10 kg? 98 N 100 N 96 N 90 N 20 / 25 Q. Which of the following is a vector quantity? Mass Density Force Temperature 21 / 25 Q. What happens to the gravitational force between two objects if the distance between them is doubled? It remains the same It becomes one fourth It becomes double It becomes half 22 / 25 Q. The value of acceleration due to gravity on the surface of the Earth is? 10 m/s2 9.5 m/s2 9.8 m/s2 8.8 m/s2 23 / 25 Q. What is the SI unit of weight? Newton Kilogram Joule Pascal 24 / 25 Q. The gravitational force between two objects depends on: Mass of both objects Distance between objects Both mass and distance None of above 25 / 25 Q. Which form of energy is associated with motion? Kinetic energy Potential energy Thermal energy Chemical energy Your score isThe average score is 46% 0% Restart quiz Physics Test 3 1 / 24 Q. Metals are good conductor of heat due to: Small size of molecules Big size of molecules Free electrons None 2 / 24 Q. There are modes of transfer of heat: 4 3 2 1 3 / 24 Q. On heating air becomes: Heavier Remain same Lighter None 4 / 24 Q. In gases heat is mainly transferred by: Conduction Convection Radiation None 5 / 24 Q. The unit of coefficient of linear expansion: K-1 K JK-1 KJ-1 6 / 24 Q. Water freezes at: 12 °F 32 °F 37 °F 32 K 7 / 24 The unit of heat is? Joule Kelvin Kg Newton 8 / 24 Q. Absolute zero is equal to; 273 °C -273 °C 273 K 0 °C 9 / 24 Q. Normal body temperature is: 35 Degree 37 Degree 98 Degree 97 Degree 10 / 24 Q. According to hook's law stress is directly proportional to: Area Strain Volume Force 11 / 24 Q. Rate of doing work is called: Energy Torque Power Momentum 12 / 24 Q. Highly conducting state of matter is? Solid Liquid Gas Plasma 13 / 24 Q. The unit of strain is: No unit N Nm Ns 14 / 24 Q. Density is _____ quantity. Vector Scalor Constant None of these 15 / 24 Q. Mass per unit volume is called? Velocity Density Force Pressure 16 / 24 Q. SI unit of young's modulus is? Nm N/m Nm2 N/m2 17 / 24 Q. Force per unit area is called? Density Volume Pressure Distance 18 / 24 Q. Matter has how many states? 3 2 1 4 19 / 24 Q. The atmospheric pressure is measured by? Hydrometer Barometer Altimeter Voltmeter 20 / 24 Q. The SI unit of density is: kg.m kg/m kg/m3 kg.m2 21 / 24 At sea level the atmospheric pressure is? 101325 Pa 101455 Pa 201455 Pa 102255 Pa 22 / 24 Q. How many times mercury is denser than water? 15.5 10.5 25.5 13.5 23 / 24 Q.  The hydraulic press works on the principle of: Hooke's law Archimedes principle Pascal's law Boyle's law 24 / 24 Q. SI unit of pressure is: J N/m N/m2 Nm Your score isThe average score is 0% 0% Restart quiz Spread the love