Questions

Find the power of a convex lens if the image formed is at a distance of 20 cm from the lens when the object is placed on the other side of the lens at 25 cm from the optical centre?

A sound wave has a frequency of 4 kHz and a wavelength of 40 cm. The time taken by the sound wave to travel a distance of 3.2 km is

A computer language that expresses the presentation of structured documents, such as CSS, is called _____.

Minamata disease is a nervous disorder caused by eating fish, polluted with _____

Which of the following sources has the largest share in power generation in India?

In the names Mangifera indica (mango), Solanum tuberosum (potato) and Panthera leo (lion), what does the three names, indica, tuberosum and leo, represent?

The boundary between Earth's crust and mantle is _____.

The value of universal gravitation constant (G) was determined by