Category: Physics

What is Wordsworth most famous poem? One of Wordsworth’s most famous poems, ‘I wandered lonely as a cloud’ (as it should properly be known; it’s commonly known as ‘Daffodils’) is about the poet’s kinship with nature, and how the memory of the daffodils dancing cheers him whenever he recalls them. What are the main themes […]

What is an allotrope give two examples? Allotropes may display very different chemical and physical properties. For example, graphite and diamond are both allotropes of carbon that occur in the solid state. Graphite is soft, while diamond is extremely hard. Allotropes of phosphorus display different colors, such as red, yellow, and white. What are allotropes […]

What is the condition for first minima? First order minima Using the Huygens’ construction, we consider a point at the very top of the slit, and another point a distance a/2 below it, i.e. a point at the very top of the lower half of the slit. Consider parallel rays from both points, at angle […]

Is cano22 basic? – Salts of strong bases and strong acids: pH will remain neutral at 7. – Salts of weak bases and strong acids: pH less than 7 (acidic). – Salts from strong bases and weak acids: pH greater than 7 (alkaline). Based on these rules, the solution of Ca(NO2)2 dissolved in water is […]

What are examples of cooling systems? Types of Cooling Systems Central Air Conditioners and Heat Pumps. Central air conditioners and heat pumps are designed to cool the entire house. Room Air Conditioners. Evaporative Coolers. Ductless Mini-Split Air Conditioners. State of the Art Cooling. What are the different types of cooling systems? There are six basic […]

How do we use prediction? Predicting is an important reading strategy. It allows students to use information from the text, such as titles, headings, pictures and diagrams to anticipate what will happen in the story (Bailey, 2015). When making predictions, students envision what will come next in the text, based on their prior knowledge. What […]

What are three common indicators? The three most common indicators are: Litmus, Methyl orange and Phenolphthalein. What are the two types of indicators? Type of indicators Input indicators. These indicators refer to the resources needed for the implementation of an activity or intervention. Process and output indicators. Process indicators refer to indicators to measure whether […]

What is the RMS voltage of the source? The root-mean-square (rms) voltage of a sinusoidal source of electromotive force (Vrms) is used to characterize the source. It is the square root of the time average of the voltage squared. The value of Vrms is V0/Square root of√2, or, equivalently, 0.707V0. Why we use RMS voltage? […]

What is the main cause of climate change? Human activity is the main cause of climate change. People burn fossil fuels and convert land from forests to agriculture. Burning fossil fuels produces carbon dioxide, a greenhouse gas. It is called a greenhouse gas because it produces a “greenhouse effect”. Are cars or cows worse for […]

How do we see distant galaxies? The most distant galaxies are caught up in the expansion of the Universe, causing distant galaxies to redshift past the point where our optical and near-infrared telescopes (like Hubble) could detect them. Finite sizes and observing times meant that only the galaxies above a certain brightness threshold could be […]