Plasma is a state of matter where atoms lose electrons due to high energy, creating a mixture of free electrons and positive ions. It occurs naturally in stars and lightning.
Related Questions:
- Two liquids A and B have densities of 1 g/mL and 1.2 g/mL, respectively. When both liquids are poured into a container, one liquid floats on top of the other. Which liquid is on top, and why?
- Why is water not used in liquid-in-glass thermometers?
- Can we increase the internal energy of a substance without increasing its temperature?
- Why are fixed point scales required for thermometers? What difficulties are there when setting fixed points for thermometer scales?
- Mercury is replaced with alcohol in liquid-in-glass thermometers. Discuss the possible change in sensitivity and range of the thermometer.
- Why is -273.15°C called absolute zero? Can we achieve this temperature?
- Why is a thermocouple thermometer suitable for measuring high temperatures but not a liquid-in-glass thermometer?
- Can we increase the sensitivity of a liquid-in-glass thermometer without changing its range?
- One student claims to have constructed a more sensitive liquid-in-glass thermometer. How can her claim be verified?
- Write a method to find the volume and density of a human body.
- Define density. Describe methods to determine the densities of regular and irregular-shaped solids, liquids, and gases.
- How would you distinguish between solids, liquids, and gases based on attractive forces and particle motion?
- Describe the construction and working of different types of gas thermometers.
- What role does mathematics play in physics?
- Why does the Earth spin about its geographical axis instead of its magnetic axis? Explain.
- Why are the Earth’s geographical and magnetic axes not coincident? Explain.
- What is the difference between paramagnetic and ferromagnetic materials?
- On what factors does the strength of the magnetic field of an electromagnet depend?
- Define and explain magnetism.
- What is the domain theory of magnetism? Explain.