HTET Exam - Level 2 Tgt - Human Eye And Colourful World

Which scientist gave the concept of fixed energy levels around the nucleus ?

Rutherford's α-particle scattering experiment shows that : (i) electrons have negative charge. (ii) the mass and positive charge of the atom is concentrated in the…

Which of the following statements are incorrect about the structure of an atom ? (i) The atom as a whole is neutral. (ii) The atom…

The minimum distance of distinct vision for young adult with normal vision is about :

What are the primary lymphoid organs in the body?

How many facial bones are there in the skull of human ?

The region of the vertebrate eye, from where the optic nerve passes out of the retina, is called the:

Vijay is unable to focus on objects closer than 2.5 m from his eyes. Approximately what refractive power should his corrective lens have?

For an object to seen sharply, the image must be formed exactly at the location of the

A thin glass prism of refractive index 1.5 produces a deviation of 4° of a ray incident at a small angle. What will be the…