guys, please give me any ideas for a investigatory project in physics ???

What do you need to investigate?

http://www.google.com/#q=investigatory+project+in+physics+

Of course! Here's a general process to help you come up with ideas for an investigatory project in physics:

1. Identify your interests: Think about topics in physics that you find intriguing or enjoyable. Do you have a particular interest in electricity, mechanics, optics, or thermodynamics? Identifying your interests will make the project more engaging for you.

2. Research existing projects: Look for existing investigatory projects in physics online or in scientific journals to gain inspiration. This will help you understand what has already been done and provide you with potential ideas to build upon or modify.

3. Observe real-world phenomena: Pay attention to everyday occurrences or natural phenomena that you find intriguing. For example, you could investigate the behavior of light passing through different materials or the effect of temperature on the expansion of solids.

4. Conduct background research: Once you have some potential ideas, conduct background research to understand the underlying scientific principles and theories. This will help you develop a hypothesis and design experiments.

5. Brainstorm experimental setups: Based on your chosen topic, brainstorm different experimental setups that will test your hypothesis. Consider the materials needed, measurements to be taken, and variables to be controlled.

6. Consult with your teacher or mentor: Discuss your ideas with your physics teacher or mentor. They can provide guidance, suggest modifications, or help narrow down your options based on feasibility and available resources.

7. Plan and carry out experiments: Create a step-by-step plan for conducting your experiments, including the materials, procedures, and data recording methods. Ensure that your experiments are safe and accurately measure the variables you're investigating.

8. Analyze and interpret your data: After conducting your experiments, analyze the data you collected. Use graphs, tables, or mathematical equations to interpret your findings and draw conclusions.

9. Draw conclusions and communicate results: Based on your analysis, draw conclusions about your hypothesis. Discuss whether the results supported or contradicted your initial expectations. Prepare a report or presentation to communicate your findings effectively.

Remember to choose a project that aligns with your interests and available resources. Good luck with your investigatory project in physics!