## Microwave Telescopes

Subject: Physics | Topics:

Microwaves have wavelengths range from centimeters to those closer to a foot in length. Longer are for heating food and Shorter waves Doppler radar. This lecture briefly present on Microwave Telescopes. Microwaves were first utilized by British the 1940s during WWII.  Sir John Randall and Dr. H. A. Boot, invented a device called a magnetron (Radar) using microwaves to detect Nazi warplanes. The Cosmic Microwave Background (CMB) was discovered by chance in 1965 by Penzias and Wilson. A number of ground-based observations have been carried out since, but these are limited by atmospheric disturbance and artificial illumination.

### Assignment on fundamental sciences

Fundamental sciences is the study of material things was treated as a single aspect of human thought and called natural philosophy. But as knowledge increased it was found necessary to divide the study of nature into two main branches. They are  two main fundamental sciences are- A. Physical sci.....

### Assignment on Refraction of Light

Reflection of Light The bouncing off of light or any wave at the face or boundary between two medium is called refraction.The figure above illustrates the regular reflection of a light ray. MM` represents the surface of a plane mirror. AO is the incident ray i.e. the direction in which light fall.....

### Experiment Study of Wein Bridge Oscillator

Prime objective of this case study is to experiment on Wein Bridge Oscillator. The oscillator is a circuit where a balanced bridge is used because feedback network is Wien Bridge oscillator. The aim of this experiment is to check the operation of the Wien Bridge. To explain this experiment here .....

### What is Wave

Wave is a form of disturbance which travels onward due to repeated periodic motion of the medium particles. Energy is transferred during wave motion. Types of wave Mechanical wave: This type of wave motion requires material medium to propagate. For example ripples on water surface, vibration of a.....

### Experiment Study of Class-C Tuned Power Amplifier

Primary objective of this case study is to experiment on Class-C Tuned Power Amplifier. Here focus on an amplifier that has tuned collector load and active device transistor operating at Class- C mode and observe the output voltage and current relationship at different harmonics. To experiment .....