Applied Physics First Terminal Exam 2021

     Applied Physics-II

First Year (Ist Semester)

Attempt any 06 Questions (All questions carry equal marks) 

Maximum Time (2 Hr.)

1. Explain NPN and PNP transistors in detail.
2. Explain the charging and discharging of a capacitor.
3. Explain the concept of LASER, diode, population inversion, and pumping.
4. Explain Kirchhoff's Law in detail.
5. What is electric current? Explain Ohm's Law.
6. Explain Wheatstone Bridge in detail.
7. Explain refraction of light and Snell's law in detail.
8. Explain the interference of light in detail.

प्रश्न पत्र हिंदी में

1. एनपीएन और पीएनपी ट्रांजिस्टर को विस्तार से समझाइए।
2. कैपेसिटर की चार्जिंग और डिस्चार्जिंग को समझाइए।
3. लेजर, डायोड, जनसंख्या प्रतिलोम और पम्पिंग की अवधारणा को समझाइए।
4. किरचॉफ के नियम को विस्तार से समझाइए।
5. विद्युत धारा क्या है? ओम के नियम को समझाइए।
6. व्हीटस्टोन ब्रिज को विस्तार से समझाइए।
7. प्रकाश के अपवर्तन तथा स्नेल के नियम को विस्तार से समझाइए।
8. प्रकाश के व्यतिकरण को विस्तार से समझाइए।

Practical Exam

Write any three practicals in your practical notebook

1. To determine the velocity of sound with the help of a resonance tube.
2. To find the focal length of convex lens by displacement method.
3. To find the refractive index of the material of given prism using a spectrometer.
4. To find the wavelength of sodium light using Fresnel’s biprism.
5. To verify laws of resistances in series and parallel combination
6. To verify ohm’s laws by drawing a graph between voltage and current.

Note:- Steps for submitting the answer sheet.

• All the answers must be written on A4 size paper or notebook.
• Therefore take the images of all the pages individually.
• Combine all the images and create a pdf with your name.
• Submit the pdf on WhatsApp no.9719171508 and send mail to mskuthar.csjpj@gmail.com  on or before 4:00 PM

Note:- All the students have to submit their answer sheet as hard copy after opening the colleges, it is compulsory.