One Liner Important Basic Physics Questions and Answers
One-Liner Basic Physics Questions and Answers For Various Competitive Exams
- How many calories does a boiled egg release?
Answer: Approximately 77 calories. - What is the correct observation when viewing a rainbow?
Answer: The sun is at your back, and you face the raindrops. - What is the minimum speed required for a rocket to escape Earth’s gravity?
Answer: 11 kilometers per second. - Why does a prism split light into different colors?
Answer: Due to light dispersion. - How many megajoules are equivalent to one kilowatt-hour?
Answer: 3.6 megajoules. - Where does the image form in farsightedness?
Answer: Behind the retina, where light rays converge. - What technology powers a photocopier?
Answer: Electrostatic imaging. - Which material is commonly used in electric heaters?
Answer: Nichrome. - What is the focal length of a lens with a power of -2 diopters?
Answer: -0.5 meters. - What happens to a star twice the mass of the sun at the end of its life?
Answer: It becomes a neutron star. - What type of image forms when an object is placed in front of a convex mirror?
Answer: Virtual, upright, and larger than the object. - Which principle governs rocket motion?
Answer: Conservation of momentum. - Why does an iron needle float when gently placed on water?
Answer: Because of surface tension. - Why is lightning seen before thunder is heard?
Answer: Light travels faster than sound. - Why does kicking a stone cause pain?
Answer: Due to inertia. - What causes the glow in water bubbles?
Answer: Total internal reflection of light. - How does increasing a bottle’s diameter affect water rise in a capillary tube?
Answer: The water rise reduces by half. - Why is the bottom of a cooking pot often blackened?
Answer: Black surfaces absorb heat efficiently. - How should one aim to spear a fish in water from the shore?
Answer: Aim below the fish’s apparent position. - What is the acceleration of an object whose distance is proportional to the square of time?
Answer: Constant acceleration. - What happens to an object moving at a constant speed?
Answer: It experiences no acceleration. - What are the properties of a white, smooth surface?
Answer: Poor heat absorber, excellent reflector. - What happens when a strong light beam passes through a colloidal solution?
Answer: The light scatters. - What does a microphone convert sound into?
Answer: Electrical current signals. - Why does a pressure cooker cook food faster?
Answer: It reaches a higher cooking temperature. - How does a light ray behave when moving from a denser to a rarer medium?
Answer: It bends away from the normal. - What is the unit of noise pollution measurement?
Answer: Decibel. - Why are raincoats and tents waterproof?
Answer: Due to surface tension properties. - Where does the X-ray spectrum lie?
Answer: Between gamma rays and ultraviolet rays. - Why does a cricketer pull their hands back when catching a fast ball?
Answer: To reduce the force required to stop the ball. - What force binds two ice cubes when pressed together?
Answer: Hydrogen bonding. - What type of motion do the wheels of a moving bullock cart exhibit?
Answer: Both translational and rotational motion.
Conclusion: These Basic Physics Questions and Answers provide a quick and engaging way to understand core physics principles, from mechanics to optics and thermodynamics. Perfect for students, educators, or curious minds, these concise insights make learning physics accessible and fun.
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