Questions

The photoelectric effect pointed to the particle properties of light, which had been considered to be a wave phenomenon. Particles like electron and protons have both particle like and wave like behavior. Thus, according to de Broglie, all the material particles in motion possess wave characteristics. Although the dual nature of matter is applicable to all material objects but it is significant for microscopic bodies only.

An ideal gas cannot be liquified because forces between the molecules are negligible.

Applicant should answer that as a first line supervisor, he/she should directly supervise sales workers in a retail department. He/She would get involved in management functions such as purchasing, budgeting, accounting and ensure quality of supply apart from his/her regular supervisor work.

Geography is a field of science related to the study of the lands, places, relation between people & their environments. Geography can be understood in terms of five different themes. They are :

• Location
• Place
• Human-Environment Interaction (HEI)
• Movement
• Region.

SO2 has a net dipole moment and has a bent shape in its structure as water molecule. Hence it is a polar molecule.