As shown, this is a solar LED street light. It is mainly composed of solar panels, LED lamp holders

As the picture shows, the solar panel of a LED solar street light when working, it consumes solar energy and generates electric energy, so it is the process of converting the 'solar energy into electrical energy;

< p>When there is current in the bulb, the bulb emits light, which consumes electrical energy and produces light energy, it It is therefore a process of conversion of electrical energy into light energy.

So the answer is: electricity;

As shown in the figure, you will find a schematic diagram of three ways to use solar energy. Please fill in the relevant physical name in the blank box. ______, _____

(1) We know that P=35W, t=50h, the electrical energy consumed by the street lamp: W=Pt=35W×50×3600s=6.3×106J;

(2) The energy of sunlight radiated to the solar panel is E=2.1×107J,

The conversion efficiency of the solar street light: η=

W

E< /td>

=< /tr>

6.3×106J

2.1 ×107J

=30%．

So the answer is: 6.3×106J;

(2014? Qingyuan Yimo) As the picture shows, this is a LED solar lighting street light. It is mainly composed of solar panels, LED lamp holders and other parts. Solar cells

Solar water heaters can convert solar energy into thermal energy through photothermal conversion; Solar energy can convert solar energy into electrical energy using solar energy. cells; So the answer is: thermal energy, photoelectric conversion.

As the picture shows, this is a new type of energy-saving street lamp. He has a small fan on his head and a solar panel on his shoulder. A reasonable explanation for the design of energy-saving lamps is that solar panels convert the sun into electrical energy. The LED is a light-emitting diode that does not need to be heated when passing current. The filament can directly emit light, that is, it directly converts electrical energy into light energy. Solar energy is a renewable energy source and its main characteristics are that it is inexhaustible, environmentally friendly and non-polluting.

Inside the sun, hydrogen nuclei fuse at ultra-high temperatures, releasing enormous nuclear energy.

So the answer is: electricity; fusion ;

A. For this new floor lampenergy, the “shoulder-worn” solar panel can also convert solar energy into electrical energy, so A is correct

B. a small fan can convert wind energy into electrical energy, which is not used to dissipate heat, so B is false;

C. When the battery is discharged at night, chemical energy is converted to electrical energy, so C is false;

D. The small fan "overhead" can convert wind energy into electrical energy, so as long as there is wind, this type of street lamp can also generate electricity, filling the gap that cannot not produce electricity on cloudy days and at night, and which is conducive to using street lamps for lighting at night, so D is wrong.

Then choose A.