Category: Physics

What layer is the thickest? mantle How deep we can dig the earth? 40,230ft How hot is the center of the Earth? 10,800 degrees Fahrenheit Can you dig to China? Take a closer look at a globe: China is actually not antipodal to the United States. That would be impossible, since they’re both in the […]

¿Qué es el intermitente? adj. Que se interrumpe o cesa y prosigue o se repite . 2. ¿Qué problemas pueden presentar una fuente de energía de produccion irregular? Las consecuencias derivadas del uso de fuentes de energía de origen fósil son muchas: agotamiento de los recursos, dificultad de abastecimiento, dependencia energética y contaminación ambiental. De […]

What happens when silver bromide is exposed to sunlight? When silver bromide is kept in sunlight or is exposed to sunlight, it decomposes to form silver metal and bromine vapours: When white Silver chloride exposed to sunlight it produces to black metallic colured Silver along with liberation of Chlorine gas. Does agso4 form a precipitate? […]

What is the value of k for free space? 9 × 109 What value for A will make a continuous function? 2 Answers. Note that a function f(x) is continuous if limx→af(x)=f(a), means that the global limit as x approches a exists and it’s exactly equal to f(a). The two one-sided limits exist and are […]

What is the electric potential energy stored in the capacitor? The energy stored in a capacitor can be expressed in three ways: Ecap=QV2=CV22=Q22C E cap = Q V 2 = C V 2 2 = Q 2 2 C , where Q is the charge, V is the voltage, and C is the capacitance of […]

What are the effects of temperature? Tensile and yield strengths generally increase slightly as temperatures are reduced and decrease at a progressive rate as temperatures increase. Modulus of elasticity is more stable than strength. Ductility decreases uniformly with decreasing temperature and increases with increasing temperature. Does temperature affect human growth? Increasing heat stress favours smaller […]

Which of the following statement is correct a concave lens has 4 dioptre? Explanation: The power of a convex lens is positive. Hence, focal length of convex lens is also positive. The required Option (a) “A convex lens has 4 dioptre power having a focal length 0.25 m” is correct. How does focal length depend […]

What forces are always acting on you? Newton’s Third Law of Motion: The force with which the first body presses the second is called the action force, while the force exerted by the second body on the first one is called the reaction force. Action and reaction forces always occur in pairs. What is the […]

When an object of height 5 cm is placed at a distance of 20 cm in front of a concave mirror 2 times magnified real image is formed How is the image distance? Mirror formula is (1/v) + (1/u) = 1/f1/v = (1/f) − (1/u) = (−1/15) + (1/20) = −1/60 v = − 60 […]

What is a volume of co2? The amount of CO2 is given in “volumes.” A volume is the space that the CO2 would take up at a pressure of one atmosphere (about 15 pounds per square inch) and at a temperature of 0 °C (32 °F) — that’s Standard Temperature and Pressure (STP). What is […]