Questions

Tom Cat and Jerry Mouse were the two cartoon characters created by William Hanna and Joseph Barbara in 1940.

The annual plan control is one of the four types of marketing control system. Annual plan control is essential in order to determine whether all the marketing efforts undertaken by the organisation has been really worthwhile or not. It aims to achieve sales volume,profits and all those objectives which have been set up in the beginning of the year. In an organisation,the top management and middle level management are responsible for the annual plan control. They have to keep a check on the activities undertaken to implement the plans.

According to Rayleigh's law, the intensity of scattered light varies inversely as the fourth power of its wavelength. Sunlight consists of seven colours. Of these, red has the maximum wavelength. During sunrise and sunset, the rays have to travel a larger part of the atmosphere because they are very close to the horizon.Therefore, light other than red is mostly scattered away. Most of the red light, which is the least scattered, enters our eyes. Hence, the sun and the sky appear red.

Heat energy can be transferred by three major methods. They are 

1. Conduction,

2. Convection and

3. Radiation.

Conduction is the movement of heat through a substance by the collision of molecules

Convection occurs when particles with a lot of heat energy in a liquid or gas move and take the place of particles with less heat energy.

Radiation is the transfer of energy by means of photons in electromagnetic waves governed by the same laws. It occurs through a vacuum or any transparent medium.

Dairy products like milk, cheese and yogurt are rich source of protein as well as calcium also. 

Galvanised iron sheets have a coating of zinc.

The Maharashtra government banned the sale of 'High in Fat, Salt and Sugar' (HFSS) food in school canteens across the state. Furthermore, schools have been asked to replace the junk food items with healthy food such as whole grain, home-made rotis, parathas, rice, etc. The government will form a committee to conduct regular checks on schools.