5.1 Physics
- 901. What are examples of projectile motion in daily life?
- 902. Why does a projectile follow a parabolic path?
- 903. What are the horizontal and vertical components of velocity?
- 904. What happens when the angle of projection is 45°?
- 905. What is the trajectory of a projectile?
- 906. Why is horizontal velocity constant in projectile motion?
- 907. What is time of flight?
- 908. What is the range of a projectile?
- 909. What is angle of projection?
- 910. What is projectile motion?
- 911. What is average velocity?
- 912. What is instantaneous speed?
- 913. What is relative motion?
- 914. What is non-uniform motion?
- 915. What is uniform motion?
- 916. State the three equations of motion.
- 917. What is acceleration?
- 918. What is the difference between distance and displacement?
- 919. Define speed and velocity.
- 920. What is kinematics?
- 921. What are alpha, beta, and gamma rays?
- 922. What is radioactivity?
- 923. What is photoelectric effect?
- 924. What is the Bohr model of the atom?
- 925. What is the atomic model proposed by Rutherford?
- 926. State Faraday’s law of electromagnetic induction.
- 927. What is electromagnetic induction?
- 928. What is a magnetic field?
- 929. What is resistance?
- 930. What is Ohm’s law?
- 931. What is electric current?
- 932. What is electric field?
- 933. State Coulomb’s law.
- 934. What is electric charge?
- 935. What are electromagnetic waves?
- 936. What is resonance?
- 937. What is the electromagnetic spectrum?
- 938. State Snell’s law.
- 939. What is refraction?
- 940. What is reflection?
- 941. What is the nature of light?
- 942. What factors affect the speed of sound?
- 943. What is the speed of sound in air?
- 944. What is echo?
- 945. What is sound?
- 946. What is amplitude?
- 947. What is wavelength?
- 948. What is frequency?
- 949. What is the difference between transverse and longitudinal waves?
- 950. What is a wave?
- 951. What is Young’s modulus?
- 952. What is stress and strain?
- 953. State Hooke’s law.
- 954. What is elasticity?
- 955. What is viscosity?
- 956. What is buoyant force?
- 957. What is Archimedes’ principle?
- 958. What is Pascal’s law?
- 959. What is pressure?
- 960. What is density?
- 961. What is radiation?
- 962. What is convection?
- 963. What is conduction?
- 964. What is latent heat?
- 965. What is thermal expansion?
- 966. What is specific heat capacity?
- 967. State the First law of thermodynamics.
- 968. State the Zeroth law of thermodynamics.
- 969. What is temperature?
- 970. What is heat?
- 971. What is satellite?
- 972. What is weightlessness?
- 973. Why do planets move around the sun?
- 974. What is the difference between revolution and rotation?
- 975. What is centripetal acceleration?
- 976. What factors affect the value of g (gravity)?
- 977. What is orbital velocity?
- 978. What is gravitational potential energy?
- 979. What is gravitational field?
- 980. State Newton’s law of gravitation.
- 981. What is escape velocity?
- 982. What is efficiency?
- 983. What is work-energy theorem?
- 984. What is mechanical energy?
- 985. State the law of conservation of energy.
- 986. What are conservative and non-conservative forces?
- 987. Define power.
- 988. What is potential energy?
- 989. What is kinetic energy?
- 990. Define work.
- 991. State the law of conservation of momentum.
- 992. What is momentum?
- 993. What is free-body diagram (FBD)?
- 994. What factors affect friction?
- 995. What is limiting friction?
- 996. What is friction? Name its types.
- 997. State Newton’s Third Law of Motion with an example.
- 998. State Newton’s Second Law of Motion.
- 999. What is inertia?
- 1000. State Newton’s First Law of Motion.