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Hello, this is free online test on machines. online test

Hello this is online test series for class 10 based on specific heat. SPECIFIC HEAT AND APPLICATIONS

HERE are important questions on capacitor. CAPACITOR Q1-A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 5 V. What is the potential at the centre of the sphere? Q2-What is the amount of work done in moving a point charge around a circular arc of radius

Hello students, here are previous year questions with solution. i hope it is useful for you. PREVIOUS YEAR QUESTIONS WITH SOLUTION(ICSE)

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here is a free worksheet on heat and energy. HEAT AND ENERGY Short Answer Questions Application Questions Critical Thinking Questions JOIN OUR YOUTUBE CHANNEL

here is free worksheet on refraction. REFRACTION worksheet Q 1-An object of size 3.0 cm is placed 14 cm in front of a concave lens of focal length21 cm. Describe the image produced by the lens. What happens if the object ismoved further away from the lens? Q 2-What is the focal length of a

here is important questions for all boards. Q1 (1) A certain metal emits photoelectrons with a green light but not with a yellow light. IT thissurface is illuminated with blue light and red light, which one of the two will cause photoelectricemission? Give a reason for your answer. (ii) What conclusion can be drawn from

Hello here is a free worksheet based on sound, important for all . worksheet on sound Q1 (i) Name the system which enables us to locate underwater objects by transmitting ultrasonic waves anddetecting the reflecting impulse.(ii) What are acoustically measurable quantities related to pitch and loudness? Q 2 A sound wave travelling in water has

here is a free worksheet on refraction of light. REFRACTION OF LIGHT 1-A converging lens of refractive index 1.5 is kept in a liquid medium having same refractive index. What would be the focal length of the lens in this medium?2-Calculate the speed of light in a medium whose critical angle is 30°.3-Under what condition