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[D] - 6 cm Focal length f = - R/2 or -12/2 = -6 cm
[D] – 6 cm Focal length f = – R/2 or -12/2 = -6 cm
[A] Mitochondria
[D] Nostrils → pharynx → larynx → trachea → alveoli
[B] NaCl, Hâ‚‚O and COâ‚‚
[A] Q is more reactive than R
[A] high boiling point
[A] F = ma
[B] 0 N
[A] Zero
[B] Nuclear membrane
The focal length of a concave mirror with radius of curvature 12 cm is
[D] - 6 cm Focal length f = - R/2 or -12/2 = -6 cm
[D] – 6 cm
See lessFocal length
f = – R/2
or -12/2
= -6 cm
Where does aerobic respiration occur in a cell?
[A] Mitochondria
[A] Mitochondria
See lessBreathing is the process that brings oxygen in the air into your lungs and moves oxygen and through your body. It involves two processes- inhalation (breathing in) and exhalation (breathing out). Which is the correct sequence of air passage during inhalation?
[D] Nostrils → pharynx → larynx → trachea → alveoli
[D] Nostrils → pharynx → larynx → trachea → alveoli
See lessWhen aqueous sodium carbonate (Na₂CO₃) reacts with HCl (aq), it gives
[B] NaCl, Hâ‚‚O and COâ‚‚
[B] NaCl, Hâ‚‚O and COâ‚‚
See lessThe given reaction shows: 3RSO₄ + 2Q → Q₂(SO₄)₃ + 3R
[A] Q is more reactive than R
[A] Q is more reactive than R
See lessThe residue left in the round bottom flask in the distillation process is a liquid having:
[A] high boiling point
[A] high boiling point
See lessWhat is the numerical formula for force?
[A] F = ma
[A] F = ma
See lessAn object of mass 2 kg is sliding with a constant velocity of 4 ms-1 on a frictionless horizontal table. The force required to keep the object moving with the same velocity is:
[B] 0 N
[B] 0 N
See lessRaj went from Delhi to Chandigarh and return to Delhi on his motorbike. The odometer of that read 4200 km at the start of trip and 4460 km at the end of his trip. If Rajeev took 4 hour 20 minutes to complete his trip, then find the average velocity in kilometre per hour.
[A] Zero
[A] Zero
See lessThe nucleus has a double layered covering called
[B] Nuclear membrane
[B] Nuclear membrane
See less