SSC (English Medium) इयत्ता १० वी - Maharashtra State Board Question Bank Solutions for Science and Technology 2

Solar photovoltaic cells convert the solar radiation energy directly into ______ energy.

A silicon solar cell of dimension 1 sq.cm. generates a current of about ___________.

A silicon solar cell of dimension 1 sq.cm. generates __________ potential difference.

Find an odd one out.

Power available from solar cells : DC : : power require to run domestic equipments : _________

The power produced from solar cells is a DC.

The potential difference available from a solar cell depends on its area.

Solar reflectors are important, why?

State the importance of inverters.

Give scientific reason.

Hydropower, solar energy and wind energy are called renewable energy.

Give one example each of a huge disaster and small disaster.

Give one example each of long duration disaster and short duration disaster.

Distinguish between the following.

Electricity generation from solar cells and solar thermal power generation

Complete the following flow chart.

Complete the table.

Observe the figure and label it properly:

1. What is the figure related to?
2. Why are reflectors used?
3. Draw a flow chart showing different stages in such a process.
4. How is the process used to generate electricity?
5. What other method can be used to generate electricity using the same energy source?

Below the figure shows a logo of an organisation. Answer the questions based on this organisation.

1. Under which ACT, this organisation was established?
2. Where are the headquarters located?
3. How do they contribute to society?

Complete the following passage by using the appropriate words given in brackets:

(Delhi, 12, 2005, army, National Disaster, rescue work, State Reserve Police, 2015)

National Disaster Response Force has been established as per the Disaster Management Act, ______. Divisions of this force are working in the army. Overall, ______ divisions are working in the country. Its headquarter is in ______ and it is in action all over the country with the help of ______. In Maharashtra, ______ Response Force is in action through State Reserve Police Force. Personnel of this force have substantial contribution in ______ in disasters like cyclones, cliff-slidings, building collapse, etc.

Give other two names of ethanol.

Give the structural formula of ethanol.