Chapter–11: Dual Nature of Radiation and Matter Dual nature of radiation, Photoelectric effect, Hertz and Lenard's observations; Einstein's photoelectric equation-particle nature of light.

The CBSE Class 10 and Class 12 board exams are all set to begin on February 15 ... Managing anxiety is crucial for optimal performance. Try these simple relaxation methods: Deep Breathing: Inhale ...

If you love a good brainteaser, this tricky little equation might just be your next favourite challenge. At first glance the brainteaser shared on the smashing pencils TikTok, seems like a simple ...

Tap the solution to add it to your text. Messages can solve simple equations -- like "2+2=" -- by typing them into the text field. The app can also solve equations that use more complex formulas ...

The chanting could be of a mantra, a hymn, the simple chant of OM, or whatever you like. When you meditate on the sound of ‘OM’, you will see that a certain vibration and energy passes through ...

Solution of a pair of linear equations in two variables algebraically - by substitution, by elimination. Simple situational problems. Standard form of a quadratic equation ax 2 + bx + c = 0 ...