Question : Negative feedback in amplifiers

Option 1: increases bandwidth and decreases noise

Option 2: decreases bandwidth and decreases noise

Option 3: increases bandwidth and increases noise

Option 4: decreases bandwidth and increases noise

Question : The maximum temperature of the day occurs generally:

Option 1: In the afternoon

Option 2: In the early morning

Option 3: At midnight

Option 4: In the evening

Question : Vegetables are cooked in less time by adding a pinch of salt while cooking because:

Option 1: boiling point of water increases

Option 2: latent heat of vaporisation of water decreases

Option 3: latent heat of vaporisation of water increases

Option 4: boiling point of water decreases

Question : In the Earth's atmosphere, which of the following continuously decreases with height?

Option 1: Temperature

Option 2: Humidity

Option 3: Pressure

Option 4: Wind Velocity

Question : Which drainage pattern is formed when streams flow in different directions from a central peak or dome-like structure?

Option 1: Rectangle Pattern

Option 2: Dendritic pattern

Option 3: Trellis Pattern

Option 4: Radial pattern