Uses of multiple reflections of sound are: Sound producing devices that uses a conical shape like megaphones to increase the intensity of sound waves in particular directions. Stethoscope: Sound undergoes multiple reflections in the wires of the stethoscope. What are … Continue reading →

In fact, background noise, or what is known as low level noise. can cause distractions and disrupt many people’s concentration.Any stress the brain takes on caused from background noises can result in impaired memory and learning, and a decrease in … Continue reading →

Yes mechanical energy can be negative. Mechanical energy is the sum of potential as well as kinetic energy. Negative sign in the energy does not have anything to do with the direction. What is the significant of negative mechanical energy? … Continue reading →

Types of conclusions for research papers Summarizing conclusion. Externalizing conclusion. Editorial conclusion. Restate your research topic. Restate the thesis. Summarize the main points of your research. Connect the significance or results of the main points. Conclude your thoughts. What 5 … Continue reading →

Chemical reactions help us understand the properties of matter. By studying the way a sample interacts with other matter, we can learn its chemical properties. These properties can be used to identify an unknown specimen or to predict how different … Continue reading →

Air pollution negatively affects wildlife by changing plant communities. Stunted plant growth from atmospheric ozone affects the quality of habitat and food sources. Birds are threatened directly by coal power production exhaust, which damages their respiratory systems. Air pollution also … Continue reading →

Effects of Noise Pollution on Human Health Hearing loss: Constant exposure of human ears to loud noise that are beyond the range of sound that human ears can withstand damages the eardrums, resulting in loss of hearing. What are effects … Continue reading →

Thermal Expansion and Contraction. The most common reason for a house to make noises is temperature changes in the air, or what is known as thermal expansion and contraction. The temperature changes cause the wood, metal and other materials in … Continue reading →

You’re not crazy if you hear Daniel Caesar’s “Best Part” and feel a sudden urge to fall in love.Similarly, singing can cause the release of oxytocin, often dubbed the “cuddle hormone,” furthering positive feelings associated with music. Music produces not … Continue reading →

Swipe down from the Echo Show home screen to reveal the basic menu. Tap on Settings and choose Device Options, then navigate to “Enable Camera,” and tap on the button to toggle it off. How do I turn off the … Continue reading →

Using Alexa to control your Ring Doorbell or Security Camera Open the Alexa app. Tap the three lines on the bottom right that say More. In the menu that appears, tap Skills & Games. On the next screen, search for … Continue reading →

Competing directly with Gaana and Saavn, Airtel’s free Wynk Music app is also ad-free.Wynk Plus users have to pay Rs. 99 a month on Android, or Rs. 60 a month on iOS, to avail ‘unlimited’ in-app song downloads and the … Continue reading →

That is until now, a new book titled Amazon Unbound: Jeff Bezos and the Invention of a Global Empire by journalist Brad Stone has revealed the identity of the voice behind Alexa. The voice reportedly belongs to a Colorado-based voice … Continue reading →

Currently, there are more than 100,000 Alexa skills available, which let you control the best smart home devices, order pizza, play trivia games, listen to the news and weather, shop online and even start your car. How many Alexa skills … Continue reading →

Open the Google Assistant settings > Scroll down to ‘Voice Match’ and toggle on or off. Turn on the toggle to give Assistant permission to recognise your voice whenever you say “OK Google” – even if your screen is off … Continue reading →