PEEPER on Instagram: "Shutter speed is one of the core principles of photography, controlling how long the camera’s shutter stays open to let light hit the sensor. Measured in fractions of a second—like 1/1000, 1/500, or 1/30—it determines not just exposure, but how motion is captured in an image. With a single adjustment, a scene can shift from perfectly frozen to beautifully blurred. A fast shutter speed, such as 1/1000, opens and closes so quickly that even fast-moving subjects appear sharp.

sail pendor on Instagram: "Delhi's air quality nears 'severe' level, pollution crosses 400-mark in 15 stations The 24-hour average Air Quality Index (AQI), reported at 4 pm every day, stood at 361 on Saturday. It worsened further to 372 at 6 pm. Delhi's air quality worsened on Saturday as pollution levels exceeded the 400-mark in many areas, making the national capital one of the most polluted cities in the country"