5.1 Physics
- 701. What is creep in materials?
- 702. What is material fatigue?
- 703. What is reverse osmosis?
- 704. What is osmosis?
- 705. What are applications of Archimedes’ principle?
- 706. What are applications of surface tension?
- 707. What are applications of Pascal’s law?
- 708. What is viscosity index?
- 709. What is superconductivity?
- 710. What is superfluidity?
- 711. What is Kinetic Theory of Gases (KTG)?
- 712. What is gas liquefaction?
- 713. What is compressibility factor?
- 714. What are van der Waals forces?
- 715. What are ideal gases?
- 716. What is Brownian motion?
- 717. What is effusion?
- 718. What is diffusion?
- 719. What is pressure in a gas?
- 720. What is the molecular theory of gases?
- 721. What is phase diagram?
- 722. What factors affect boiling point?
- 723. What is boiling point?
- 724. What is melting point?
- 725. What is latent heat?
- 726. What is sublimation?
- 727. What is evaporation?
- 728. What is boiling?
- 729. What is freezing?
- 730. What is melting?
- 731. Why do rail tracks have gaps?
- 732. What is anomalous expansion of water?
- 733. What is the coefficient of volumetric expansion?
- 734. What is the coefficient of linear expansion?
- 735. What is thermal expansion?
- 736. What are conductors and insulators?
- 737. What is thermal conductivity?
- 738. Define specific heat capacity.
- 739. What is temperature?
- 740. What is heat?
- 741. Why does a ship float on water?
- 742. What is the principle of a hydraulic lift?
- 743. What is specific gravity?
- 744. What is upthrust?
- 745. Why do objects float or sink?
- 746. What is buoyant force?
- 747. What is Archimedes’ principle?
- 748. What are hydraulic machines?
- 749. What is Pascal’s law?
- 750. What is pressure in fluids?
- 751. What is Poiseuille’s law?
- 752. How does temperature affect viscosity?
- 753. What is terminal velocity?
- 754. What is Reynolds number?
- 755. What is critical velocity?
- 756. What is turbulent flow?
- 757. What is streamline (laminar) flow?
- 758. What is Stokes’ law?
- 759. What factors affect viscosity?
- 760. What is viscosity?
- 761. What is surfactant?
- 762. Why are raindrops spherical?
- 763. What is excess pressure inside a soap bubble?
- 764. Give one application of surface tension in daily life.
- 765. What is the effect of temperature on surface tension?
- 766. What is angle of contact?
- 767. Why does water rise in a capillary tube?
- 768. What is capillary action?
- 769. What factors affect surface tension?
- 770. What is surface tension?
- 771. What is yield point?
- 772. What is tensile strength?
- 773. What is malleability?
- 774. What is ductility?
- 775. What is brittleness?
- 776. What is hardness?
- 777. What are examples of amorphous solids?
- 778. What is the difference between crystalline and amorphous solids?
- 779. What are amorphous solids?
- 780. What are crystalline solids?
- 781. What is permanent deformation?
- 782. What is elastic limit?
- 783. What is shear modulus?
- 784. What is bulk modulus?
- 785. What is Young’s modulus?
- 786. What is Hooke’s law?
- 787. Define strain.
- 788. Define stress.
- 789. What is plasticity?
- 790. What is elasticity?
- 791. What is the difference between evaporation and boiling?
- 792. What are cohesion and adhesion?
- 793. What is bulk modulus?
- 794. What is compressibility?
- 795. What is relative density?
- 796. What is density?
- 797. What is the difference between solids, liquids, and gases?
- 798. What is Bose–Einstein condensate?
- 799. What is plasma state?
- 800. What are the three main states of matter?